{"product_id":"3v-5v-4-5v-laser-head-diode-dot-red-copper-semiconductor-laser-tube-6mm-outer-diameter","title":"3V 5V 4.5V Laser Head Diode Dot Red Copper Semiconductor Laser Tube 6MM Outer Diameter","description":"\u003ch2\u003eThe center is the positive terminal, and the S is the control foot\u003cbr\u003e \u003cbr\u003e Laser head sensor module KY-008\u003cbr\u003e \u003cbr\u003e Operating voltage: 5V\u003cbr\u003e Specification: 15*24 mm\u003cbr\u003e Light source wavelength: 650 nm\u003cbr\u003e \u003cbr\u003e Weight: 2.2g\u003cbr\u003e \u003cbr\u003e \u003cbr\u003e \u003cbr\u003e 3V 5V laser head diode\u003cbr\u003e \u003cbr\u003e \u003cbr\u003e \u003cbr\u003e Laser head positive red line, blue line is negative\u003cbr\u003e \u003cbr\u003e \u003cbr\u003e \u003cbr\u003e 3V 100 pieces =126 grams\u003cbr\u003e          \u003cbr\u003e 5V 100 pieces =133.4 grams\u003cbr\u003e \u003cbr\u003e \u003cbr\u003e \u003cbr\u003e \u003cbr\u003e \u003cbr\u003e \u003cbr\u003e Frequently asked Questions\u003cbr\u003e \u003cbr\u003e 1) What is the resistance value of the resistor on the laser head? 33 ohms\u003cbr\u003e \u003cbr\u003e 2) If purchased 3V 5V two kinds of received how to distinguish? The longer line is 5V and the shorter line is 3V\u003cbr\u003e \u003cbr\u003e \u003cbr\u003e \u003cbr\u003e It's a tunable laser\u003cbr\u003e \u003cbr\u003e \u003cbr\u003e \u003cbr\u003e 5V laser head Laser diode Point-like copper semiconductor laser tube 6MM outer diameter\u003cbr\u003e Red is positive and blue is negative\u003cbr\u003e \u003cbr\u003e Wavelength: 650NM Power: 5MW Outer diameter: 6MM\u003cbr\u003e \u003cbr\u003e 1: Pay attention to the safety of the laser battery to prevent others from disassembling the electrical power pool to cause short-circuit combustion or battery explosion accidents.\u003cbr\u003e 2: The laser emission principle and the particularity of the production process determines that the laser has the characteristics that the ordinary light does not have: that is, the three good (good monochromaticity, good coherence, good direction) a high (high brightness).\u003cbr\u003e \u003cbr\u003e 3: Mainly used for laser toys, various levels, ground instruments and so on\u003cbr\u003e Make an electronic pointer pen: When the teacher lectures, use a laser to project points to remind students to observe and think.\u003cbr\u003e \u003cbr\u003e Electronic level: Let the motor drive the head to rotate or twist, projected into a straight line on the wall, for decoration or Posting New Year pictures to do horizontal reference.\u003cbr\u003e \u003cbr\u003e Micro LCD projection: Remove the condenser, let the laser through the controlled LCD screen, can create a clear projection on the wall.\u003cbr\u003e \u003cbr\u003e Remote laser monitor: Let the laser shine on the glass of the room to be overheard, and then receive the laser beam reflected back by the glass, detect the vibration of the glass to restore the sound of the room.\u003cbr\u003e \u003cbr\u003e Remote light control anti-theft alarm: In the need to protect the fish pond or watermelon field on the corner of the laser emission tube and photoresistor, in the other three corners of the mirror, to form a protection area.\u003cbr\u003e \u003cbr\u003e Remote laser wireless communication: The use of a pair of laser transceiver devices in two distant roofs against each other, the use of single-chip serial communication protocol can send and receive files, and even networking.\u003cbr\u003e \u003cbr\u003e \u003cbr\u003e The laser head consists of three parts: a light emitting tube core, a condenser lens and a copper adjustable sleeve. The three parts have been assembled, the lens focal length has been adjusted, and the laser head has been glued with strong glue\u003cbr\u003e \u003cbr\u003e Ok, the user can connect the 5V DC power supply to work.\u003cbr\u003e The life of the laser head is about 3,000 hours, as long as it is not man-made damage, thousands of hours\u003cbr\u003e \u003cbr\u003e During the day, from 1 to 5 meters in the sun, you can go anywhere inside and at least 500 meters outside\u003cbr\u003e \u003cbr\u003e \u003cbr\u003e 3V laser head parameters\u003cbr\u003e \u003cbr\u003e (Lead length: 4.5CM)\u003cbr\u003e \u003cbr\u003e \u003cbr\u003e \u003cbr\u003e The particularity of laser emission principle and production process determines that laser has the characteristics that ordinary light does not have: namely, three good (good monochromaticity, good coherence, good direction) and high (high brightness).\u003cbr\u003e \u003cbr\u003e The red line is positive, the blue line is negative\u003c\/h2\u003e \u003cp\u003e\u003cimg src=\"http:\/\/sc04.alicdn.com\/kf\/H849eb00e8c4341319ba2ef3c296923b1n\/273653796\/H849eb00e8c4341319ba2ef3c296923b1n.jpg\"\u003e\u003cimg src=\"http:\/\/sc04.alicdn.com\/kf\/H6cdc15d643094f58a94b6c70a92c6be4I\/273653796\/H6cdc15d643094f58a94b6c70a92c6be4I.jpg\"\u003e\u003c\/p\u003e \u003cdiv id=\"ali-anchor-AliPostDhMb-fneq8\" class=\"mceSectionContainer\" style=\"padding-top: 8px;\" data-section=\"AliPostDhMb-fneq8\" data-section-title=\"Electronic Component\"\u003e \u003cdiv id=\"ali-title-AliPostDhMb-fneq8\" style=\"padding: 8px 0; border-bottom: 1px solid #ddd;\"\u003e\u003cspan style=\"background-color: #ddd; color: #333; font-weight: bold; padding: 8px 10px; line-height: 12px;\"\u003eElectronic Component\u003c\/span\u003e\u003c\/div\u003e \u003cdiv style=\"padding: 10px 0;\"\u003e \u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18px; background-color: #ff6600;\"\u003eJJSR Electronics BOM service:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18px;\"\u003e As different electronic components come from different sources, it takes time to collect electronic quotations. \u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18px;\"\u003eJJSR offer one-stop electronic component, covering ICs chips, semiconductors, diodes, transistors, amplifiers, various integrated circuits and IDT Board etc. We have the latest and complete electronic information in electronic. JJSR can provide you with the latest quotation quickly.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18px;\"\u003eWelcome to send us BOM List!\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18px;\"\u003eSearch Your Chips, Satisfy Your mind! JJSR Elec's mission is to help customeres create and sustain competitive advantage in electronic.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18px;\"\u003eWe provide BOM service to reduce your cost, save your time and free your worries.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18px;\"\u003e\u003cimg src=\"\/\/sc04.alicdn.com\/kf\/H5350951dd5c644749b59bd29a0b43c85S\/273653796\/H5350951dd5c644749b59bd29a0b43c85S.png\" alt=\"1.png\" ori-width=\"1257\" ori-height=\"674\"\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18px; background-color: #ff6600;\"\u003e\u003cspan style=\"font-family: 'times new roman', times;\"\u003eShipment Items \u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times;\"\u003eChannels:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18px;\"\u003eExpress: DHL \/ UPS \/ TNT \/ FedEx \/ EMS \/ Aramex etc....\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18px;\"\u003eAirPost: Post-NL \/ Singapore Post \/ ePacket \/ CDEK \/ \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18px;\"\u003eHongkong Post \/ DHL eCommerce \/ PTT etc....\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18px;\"\u003eNormal Post: China Post etc....\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18px;\"\u003eRemark: Support your own account\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cimg src=\"\/\/sc04.alicdn.com\/kf\/H61533eb08bf242b8850b9ba53bf60809n\/273653796\/H61533eb08bf242b8850b9ba53bf60809n.png\" alt=\"3.png\" ori-width=\"750\" ori-height=\"795\"\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"background-color: #ff6600;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eFrequently Q\u0026amp;A: \u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003ctable style=\"border-collapse: collapse; background-color: #ffffff; width: 86.8115%;\" border=\"1\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"width: 28.2648%;\"\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eITEM CONDITION\u003c\/span\u003e\u003c\/td\u003e \u003ctd style=\"width: 78.8573%;\"\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eNEW FOR OWN USE\/RESELL\u003c\/span\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 28.2648%;\"\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eQUALITY\u003c\/span\u003e\u003c\/td\u003e \u003ctd style=\"width: 78.8573%;\"\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eGOOD\u003c\/span\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 28.2648%;\"\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eSERVICE\u003c\/span\u003e\u003c\/td\u003e \u003ctd style=\"width: 78.8573%;\"\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eGREAT BEFORE AND AFTER-SALES SERVICE\u003c\/span\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eQ: Do you have any stock or need buy from other suppliers?\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eA: We saved lots of stocks for selling. RTS is our advantage, we have our own warehouse.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003e \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eQ: Is there any engineer can help for technical supporting?\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eA: Sure, we have. Our technical team can help you. If you need any help, you can contact our technical department directly.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003e \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eQ: Do you sell obsolete products? even very old products?\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eA: If there is new type to replace, we will suggest you to use new one; if not easy for change, we will help to check the old one with good condition. If used or other conditions, we will tell you the truth.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003e \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eQ: How about Customs Duty \u0026amp; Handling Fee? \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eA: For all customers orders, we do not charge handing fee, even 1pcs part. When parts arrive at your local custom, if the parts were charged customs duty, we are not responsible for any customs duties or import taxes.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003e \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eQ: How long is your delivery time?\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eA: Generally 2-3 working days if the goods in stock. If large quantity, it will take 5-7 working days after getting the payment.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eIf not common products, always need 3-4 weeks or 6-8 weeks to order.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003e \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eQ: Do you have samples? is it free or extra?\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eA: No. i am sorry, we have no Sample.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003e \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eQ: What is your terms of payment ?\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 18px; font-family: 'times new roman', times;\"\u003eA:TT, WEST UNION and MoneyGram (100% payment in advance if goods in stock; 30% payment in advance, balance before shipping if long delivery)\u003c\/span\u003e\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Shenzhen Futian JJSR Electronics Company","offers":[{"title":"3V Laser Head","offer_id":54688723140913,"sku":null,"price":0.18,"currency_code":"CNY","in_stock":true},{"title":"5V Laser Head","offer_id":54688723173681,"sku":null,"price":0.18,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/3313\/5153\/files\/Ha838001168f74c23984aea8a58fc1efcI.webp?v=1781953293","url":"https:\/\/www.jjsrelec.com\/products\/3v-5v-4-5v-laser-head-diode-dot-red-copper-semiconductor-laser-tube-6mm-outer-diameter","provider":"Shenzhen Futian JJSR Electronics Company","version":"1.0","type":"link"}