{"product_id":"650nm-100mw-red-laser-diode-module-focusable-dot-line-cross-usb","title":"650nm 100mW Red Laser Diode Module | Focusable Dot Line Cross USB","description":"\n\u003ch2\u003e650nm 100mW Red Laser Diode Module – Focusable Dot, Line \u0026amp; Cross Beam\u003c\/h2\u003e\n\u003cp\u003eMeet the \u003cstrong\u003eElubor 650nm 100mW Red Laser Diode Module\u003c\/strong\u003e — a compact, high-precision optical component designed for industrial testing, laboratory use, DIY electronics, and precision alignment applications. Powered via USB (5V), this mini 12×35mm module delivers a sharp, focusable red laser beam in three selectable patterns: \u003cstrong\u003eDot, Line, or Cross\u003c\/strong\u003e (120° default). Its adjustable focus and wide operating temperature range make it a versatile workhorse for engineers, hobbyists, and researchers alike.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWavelength:\u003c\/strong\u003e 650nm (visible red)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Power:\u003c\/strong\u003e 100mW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Voltage:\u003c\/strong\u003e 3V – 5V (USB 5V powered)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Current:\u003c\/strong\u003e 120mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12 × 35mm (mini form factor)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBeam Shape:\u003c\/strong\u003e Dot \/ Cross \/ Line (120° as default)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFocus:\u003c\/strong\u003e Adjustable \/ Focusable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10°C to +55°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e USB (AC adapter \/ 5V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 650MDLC-100-1235-USB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e🔴 \u003cstrong\u003eVersatile Beam Modes:\u003c\/strong\u003e Switchable between dot, line, and cross patterns — ideal for alignment, measurement, and DIY laser projects.\u003c\/li\u003e\n  \u003cli\u003e🔧 \u003cstrong\u003eAdjustable Focus:\u003c\/strong\u003e Rotate the head to fine-tune beam sharpness for your specific application distance.\u003c\/li\u003e\n  \u003cli\u003e⚡ \u003cstrong\u003eUSB Powered:\u003c\/strong\u003e Plug directly into any standard USB port or 5V power source for instant operation — no proprietary adapter required.\u003c\/li\u003e\n  \u003cli\u003e📐 \u003cstrong\u003eCompact Design:\u003c\/strong\u003e At just 12×35mm, this mini module integrates easily into custom assemblies, fixtures, and test rigs.\u003c\/li\u003e\n  \u003cli\u003e🌡️ \u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Reliable performance from -10°C to +55°C for both indoor lab and field applications.\u003c\/li\u003e\n  \u003cli\u003e🏭 \u003cstrong\u003eIndustrial-Grade Component:\u003c\/strong\u003e Engineered for industrial testing, optical lab experiments, and precision DIY electronics projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚠️ Laser Safety Notice\u003c\/h3\u003e\n\u003cp\u003eThis is a \u003cstrong\u003eClass 3B laser product\u003c\/strong\u003e. Always wear appropriate \u003cstrong\u003e650nm laser safety goggles\u003c\/strong\u003e when operating this module. This is a precision optical instrument intended for use by individuals with experience in optics, electronics DIY, or laser testing. Never aim the beam at eyes, skin, or reflective surfaces. Keep away from children. For more information on laser safety standards, refer to the FDA's Laser Products \u0026amp; Instruments guidelines.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 650nm 100mW Red Laser Diode Module (12×35mm, USB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Batteries and bulbs are not included. Laser safety goggles are strongly recommended and sold separately.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial measurement \u0026amp; alignment testing\u003c\/li\u003e\n  \u003cli\u003eLaboratory optical experiments\u003c\/li\u003e\n  \u003cli\u003eDIY laser projects \u0026amp; electronics prototyping\u003c\/li\u003e\n  \u003cli\u003eLaser engraving machine positioning\u003c\/li\u003e\n  \u003cli\u003eStage \u0026amp; DJ visual effects (professional use)\u003c\/li\u003e\n  \u003cli\u003eRobotics \u0026amp; sensor calibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What beam patterns does this 650nm red laser module support?\u003c\/h4\u003e\n\u003cp\u003eA: The module supports three beam patterns — \u003cstrong\u003eDot, Line, and Cross\u003c\/strong\u003e. The cross beam is set to 120° by default. You can select or change the pattern by swapping the included lens head depending on your application needs.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How is the 650nm 100mW laser module powered?\u003c\/h4\u003e\n\u003cp\u003eA: It is powered via a standard \u003cstrong\u003eUSB (5V)\u003c\/strong\u003e connection, drawing approximately 120mA. You can plug it into any USB port, USB wall adapter, or 5V DC power supply — no special proprietary adapter is required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this laser module safe to use at home for DIY projects?\u003c\/h4\u003e\n\u003cp\u003eA: This is a 100mW industrial-grade laser component and should only be operated by individuals with experience in optics or laser electronics. \u003cstrong\u003eAlways wear 650nm-rated laser safety goggles\u003c\/strong\u003e during use. Keep out of reach of children and never direct the beam toward eyes or reflective surfaces. Refer to the FDA laser safety guidelines for more information.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can the focus of the red laser beam be adjusted?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The module features an \u003cstrong\u003eadjustable focus mechanism\u003c\/strong\u003e — simply rotate the front lens head to sharpen or widen the beam to suit your working distance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What are the operating temperature limits for this laser module?\u003c\/h4\u003e\n\u003cp\u003eA: The module is rated to operate reliably between \u003cstrong\u003e-10°C and +55°C\u003c\/strong\u003e, making it suitable for a wide range of indoor laboratory and light industrial field environments.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What beam patterns does this 650nm red laser module support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module supports three beam patterns — Dot, Line, and Cross. The cross beam is set to 120° by default. 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