{"product_id":"532nm-650nm-dot-line-cross-laser-led-module-jd851","title":"532nm 650nm Dot Line Cross Laser LED Module – JD-851","description":"\n\u003ch2\u003ePrecision Dot, Line \u0026amp; Cross Laser LED Module – JD-851\u003c\/h2\u003e\n\u003cp\u003eTake your alignment and positioning projects to the next level with the \u003cstrong\u003eJD-851 Horizontal Locator Laser LED Module\u003c\/strong\u003e. Engineered from premium \u003cstrong\u003ealuminum and copper\u003c\/strong\u003e, this compact yet powerful module emits sharp, high-visibility beams in \u003cstrong\u003e532nm (green) and 650nm (red)\u003c\/strong\u003e wavelengths, covering an impressive range of \u003cstrong\u003e200–2,000 metres\u003c\/strong\u003e. Whether you need a precise dot, straight line, or cross-hair pattern, this versatile tool delivers consistent, accurate results every time.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Wavelength:\u003c\/strong\u003e Switchable between 532nm green and 650nm red for maximum visibility in varied lighting conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree Beam Patterns:\u003c\/strong\u003e Dot, Line, and Cross modes for flexible, multi-purpose use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtended Range:\u003c\/strong\u003e Effective projection range of 200–2,000 metres for both indoor and outdoor applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Lightweight yet robust aluminum and copper body (115mm × 20mm) built for long-term use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRechargeable Power:\u003c\/strong\u003e Compatible with 16340 lithium battery (battery not included)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Slim profile makes it easy to mount, carry, or integrate into existing setups\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e JD-851 | \u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJD-851\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWavelengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e532nm (Green) \/ 650nm (Red)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBeam Patterns\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDot \/ Line \/ Cross\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥ 200–2,000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115mm × 20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum + Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16340 Lithium Battery (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eFor guidance on safe laser product use and classification standards, refer to the U.S. Consumer Product Safety Commission (CPSC) – Laser Safety Information.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What beam patterns does the 532nm\/650nm LED Laser Module produce?\u003c\/h4\u003e\n\u003cp\u003eA: The JD-851 Laser LED Module offers three selectable beam patterns — Dot, Line, and Cross — making it ideal for levelling, alignment, measurement, and positioning tasks across a wide range of professional and DIY applications.\u003c\/p\u003e\n\u003ch4\u003eQ: What battery does the JD-851 Laser Module use?\u003c\/h4\u003e\n\u003cp\u003eA: The module is powered by a \u003cstrong\u003e16340 lithium rechargeable battery\u003c\/strong\u003e. Please note that the battery is not included in the package due to customs clearance regulations, so you will need to source one separately.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the effective range of this laser LED module?\u003c\/h4\u003e\n\u003cp\u003eA: The JD-851 has an effective projection range of \u003cstrong\u003e200 to 2,000 metres\u003c\/strong\u003e, making it suitable for both close-range indoor work and long-distance outdoor alignment and levelling tasks.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use both green and red wavelengths on the same unit?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The module supports both \u003cstrong\u003e532nm (green)\u003c\/strong\u003e and \u003cstrong\u003e650nm (red)\u003c\/strong\u003e wavelengths, giving you flexibility to choose the most visible beam colour depending on ambient lighting and your specific application.\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 the 532nm\/650nm LED Laser Module produce?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The JD-851 Laser LED Module offers three selectable beam patterns — Dot, Line, and Cross — making it ideal for levelling, alignment, measurement, and positioning tasks across a wide range of professional and DIY applications.\"}}, {\"@type\": \"Question\", \"name\": \"What battery does the JD-851 Laser Module use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module is powered by a 16340 lithium rechargeable battery. 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