{"product_id":"10-pack-red-dot-laser-diode-module-650nm-5mw-3v-5v-copper-head","title":"10-Pack Red Dot Laser Diode Module 650nm 5mW 3V\/5V Copper Head","description":"\u003ch2\u003e10-Pack Adjustable Red Dot Laser Diode Modules — 650nm | 5mW | Brass Copper Head\u003c\/h2\u003e\n\u003cp\u003eGet precision red dot projection in a compact, adjustable brass-body module. This set of \u003cstrong\u003e10 x 650nm red laser diode modules\u003c\/strong\u003e is ideal for electronics hobbyists, makers, educators, and DIY engineers who need reliable, low-voltage laser emitters for their projects. Each unit features an adjustable focus sleeve, built-in condenser lens, and a durable 6mm copper (brass) head — ready to connect and use straight out of the box.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaser Wavelength:\u003c\/strong\u003e 650nm (Red)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Power:\u003c\/strong\u003e \u0026lt;5mW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3V (short lead) \/ 5V DC (long lead)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Current:\u003c\/strong\u003e \u0026lt;40mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCopper Head Outer Diameter:\u003c\/strong\u003e 6mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShell Material:\u003c\/strong\u003e Brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Lead Length:\u003c\/strong\u003e 75mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -36°C to 65°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Life:\u003c\/strong\u003e 1,000+ hours\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpot Mode:\u003c\/strong\u003e Dot facula, continuous output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Red wire = Positive (+), Black wire = Negative (−)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10 × Adjustable Red Dot Laser Diode Modules (pre-assembled, glued, and focus-adjusted)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePopular DIY Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectronic Pointer Pen:\u003c\/strong\u003e Perfect for presentations and classroom use — project a clear red dot onto screens or surfaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpirit Level \/ Alignment Tool:\u003c\/strong\u003e Mount on a motor-driven head and project a horizontal reference line for decoration, picture hanging, or levelling tasks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMiniature LCD Projector:\u003c\/strong\u003e Remove the condenser and pair with an LCD screen to project images onto a wall.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaser Alarm System:\u003c\/strong\u003e Use with light-sensitive resistors to create perimeter protection zones for ponds, gardens, or enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless Laser Communication:\u003c\/strong\u003e Pair a transmitter and receiver for short-range optical data transfer experiments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaser Toys \u0026amp; Prototypes:\u003c\/strong\u003e Excellent for hobby robotics, optical sensor testing, and laser dot toy builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesign Notes\u003c\/h3\u003e\n\u003cp\u003eEach module arrives fully assembled — emitter diode, condenser lens, and adjustable brass sleeve are pre-fitted and secured with strong adhesive. Simply connect to a 3V or 5V DC power source (using the short or long lead respectively) and the module is immediately operational. The 6mm outer diameter makes it compatible with most standard laser module mounting brackets and housings.\u003c\/p\u003e\n\n\u003cp\u003e⚠️ \u003cstrong\u003eSafety Notice:\u003c\/strong\u003e Never aim laser beams at eyes or direct them toward people or animals. Keep away from children. Handle with care to avoid short circuits — do not allow bare leads to contact metal surfaces unintentionally.\u003c\/p\u003e\n\n\u003ch3\u003eExplore More Tools \u0026amp; Electronics from Our Store\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage do these red laser diode modules operate at?\u003c\/h4\u003e\n\u003cp\u003eA: Each module supports both 3V and 5V DC. The short wire lead connects at 3V and the long wire lead at 5V, giving you flexibility for different circuit designs and microcontroller projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are the modules pre-assembled and ready to use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Each of the 10 laser diode modules comes fully pre-assembled — the emitter diode, condenser lens, and adjustable copper sleeve are already fitted, aligned, and secured with adhesive. Just connect power (red = positive, black = negative) and they're ready to operate.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the beam wavelength and power output of these modules?\u003c\/h4\u003e\n\u003cp\u003eA: These modules emit a 650nm red laser dot at under 5mW output power. They produce a continuous dot (facula) beam suitable for pointing, alignment, and a wide range of DIY electronic applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I adjust the focus on these laser modules?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Each module features an adjustable sleeve that allows you to fine-tune the focal length of the condenser lens for sharper or broader dot projection depending on your project's requirements.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltage do these red laser diode modules operate at?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each module supports both 3V and 5V DC. The short wire lead connects at 3V and the long wire lead at 5V, giving you flexibility for different circuit designs and microcontroller projects.\"}}, {\"@type\": \"Question\", \"name\": \"Are the modules pre-assembled and ready to use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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Each module features an adjustable sleeve that allows you to fine-tune the focal length of the condenser lens for sharper or broader dot projection depending on your project's requirements.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"10-Pack Red Dot Laser Diode Module 650nm 5mW 3V\/5V Copper Head\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/10-pack-red-dot-laser-diode-module-650nm-5mw-3v-5v-copper-head\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"5V10PCS","offer_id":44167806091351,"sku":"14:200003699#5V10PCS","price":13.49,"currency_code":"USD","in_stock":true},{"title":"3V10PCS","offer_id":44167806124119,"sku":"14:200002130#3V10PCS","price":13.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/Se2bebdcc590a4a7e84ee44f5dd785fa0b.webp?v=1786763956","url":"https:\/\/axlcustomersupport.com\/products\/10-pack-red-dot-laser-diode-module-650nm-5mw-3v-5v-copper-head","provider":"Axl","version":"1.0","type":"link"}