{"product_id":"850nm-infrared-ir-laser-diode-module-focusable-dot-line-cross","title":"850nm IR Laser Diode Module – Focusable Dot\/Line\/Cross, 5–50mW","description":"\n\u003ch2\u003e850nm Infrared Laser Diode Module – Focusable Dot, Line \u0026amp; Cross Beam\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eElubor 850nm Infrared Laser Diode Module\u003c\/strong\u003e is a compact, precision-engineered optical component designed for electronics enthusiasts, engineers, and DIY optics projects. Available in 5mW, 30mW, and 50mW output power options, this versatile mini laser module features selectable beam shapes — \u003cstrong\u003eDot, Line, and Cross\u003c\/strong\u003e — and a fully adjustable focus for maximum flexibility across a wide range of applications.\u003c\/p\u003e\n\n\u003cp\u003eOperating at an \u003cstrong\u003e850nm near-infrared wavelength\u003c\/strong\u003e, the beam is invisible to the naked eye, making it ideal for use in sensing, alignment, imaging, and machine vision systems where discreet IR illumination is required. Its compact \u003cstrong\u003e12×35mm metal housing\u003c\/strong\u003e makes integration into existing builds straightforward and reliable.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWavelength:\u003c\/strong\u003e 850nm (Near-Infrared, invisible to the naked eye)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Power Options:\u003c\/strong\u003e 5mW \/ 30mW \/ 50mW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBeam Shapes:\u003c\/strong\u003e Dot (rectangular to oval), Line, Cross\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Focus:\u003c\/strong\u003e Yes — rotate the lens for precise beam control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Voltage:\u003c\/strong\u003e 3V–5V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12×35mm \/ 12×40mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Durable metal housing, silver finish\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-contained module\u003c\/strong\u003e — easy to integrate into DIY, industrial, and research setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e850M-1235\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eWavelength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e850nm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e5mW \/ 30mW \/ 50mW\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e3V – 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBeam Shape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eDot \/ Line \/ Cross\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e12×35mm \/ 12×40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eMetal (Silver)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBatteries Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e⚠️ Laser Safety Notice\u003c\/h3\u003e\n\u003cp\u003eThis is a precision optical instrument emitting an \u003cstrong\u003einvisible 850nm infrared beam\u003c\/strong\u003e. Always wear appropriate \u003cstrong\u003elaser safety goggles\u003c\/strong\u003e rated for 850nm wavelength when operating this module. This product is intended for use by individuals with experience in optics, electronics, or laser DIY projects. Read all technical documentation before use and handle with care.\u003c\/p\u003e\n\u003cp\u003eFor laser safety guidelines, refer to the U.S. Consumer Product Safety Commission (CPSC) Laser Safety Resources.\u003c\/p\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIR illumination for night vision cameras\u003c\/li\u003e\n  \u003cli\u003eMachine vision and object detection systems\u003c\/li\u003e\n  \u003cli\u003eOptical alignment and positioning\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and optics projects\u003c\/li\u003e\n  \u003cli\u003eResearch and laboratory setups\u003c\/li\u003e\n  \u003cli\u003eSecurity and surveillance illumination\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 850nm IR Laser Diode Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Batteries are not included. Laser protection goggles are strongly recommended and must be sourced separately.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Can I see the 850nm infrared laser beam with my naked eye?\u003c\/h4\u003e\n\u003cp\u003eA: No. The 850nm wavelength falls in the near-infrared (NIR) spectrum, which is completely invisible to the human eye under normal conditions. However, many camera sensors — including smartphone cameras — can detect and display the beam. This is normal and expected behavior for 850nm IR laser modules.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What beam shapes does this 850nm laser module support?\u003c\/h4\u003e\n\u003cp\u003eA: This focusable IR laser diode module supports three selectable beam shapes: \u003cstrong\u003eDot\u003c\/strong\u003e (which can range from rectangular to oval depending on focus), \u003cstrong\u003eLine\u003c\/strong\u003e, and \u003cstrong\u003eCross\u003c\/strong\u003e. The adjustable focus ring allows you to fine-tune the beam spread for your specific application.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power level should I choose — 5mW, 30mW, or 50mW?\u003c\/h4\u003e\n\u003cp\u003eA: Choose based on your application's needs. The \u003cstrong\u003e5mW\u003c\/strong\u003e option is suitable for short-range sensing and low-power alignment tasks. The \u003cstrong\u003e30mW\u003c\/strong\u003e and \u003cstrong\u003e50mW\u003c\/strong\u003e variants offer greater range and intensity, ideal for machine vision, surveillance illumination, or longer-distance IR applications. Always ensure you use appropriate laser safety goggles rated for 850nm, especially at higher power levels.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What voltage does this laser module require?\u003c\/h4\u003e\n\u003cp\u003eA: The module operates at a working voltage of \u003cstrong\u003e3V to 5V DC\u003c\/strong\u003e, making it compatible with a wide range of microcontrollers and power supplies, including Arduino, Raspberry Pi, and standard 3.3V\/5V regulated supplies.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Can I see the 850nm infrared laser beam with my naked eye?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. The 850nm wavelength falls in the near-infrared (NIR) spectrum, which is completely invisible to the human eye under normal conditions. 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