{"product_id":"520nm-green-laser-pwm-led-module-2-8w-12v-ttl","title":"520nm Green Laser PWM LED Module 2.8W 12V TTL","description":"\n\u003ch2\u003e520nm Green Laser PWM LED Module – 2.8W Adjustable Power, 12V AC\u003c\/h2\u003e\n\u003cp\u003eThis high-performance \u003cstrong\u003e520nm green laser LED module\u003c\/strong\u003e delivers exceptional beam clarity and long-range visibility, making it ideal for ground marker applications, outdoor signaling, and bird deterrent systems. Synthesized from two precision 1.6W laser diodes, this module outputs approximately \u003cstrong\u003e2.8–2.9W of combined power\u003c\/strong\u003e with a wide 30mm (3cm) beam diameter at the exit aperture.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWavelength:\u003c\/strong\u003e 520nm (green)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Power:\u003c\/strong\u003e ~2.8–2.9W (dual 1.6W laser diodes)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBeam Diameter:\u003c\/strong\u003e ~30mm (3cm) at exit, via integrated beam expander\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVisibility Range:\u003c\/strong\u003e ~100m in direct sunlight | ~500m in overcast\/rainy conditions | 1,000–2,000m at night\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e AC, 12V \/ 5A required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePWM \/ TTL Modulation:\u003c\/strong\u003e Supports 0–5V PWM signal input; frequency \u0026lt;18KHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Power:\u003c\/strong\u003e Output intensity controlled via PWM signal for versatile applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-focusable beam\u003c\/strong\u003e – fixed expanded beam design\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Mainland China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eGround marker and position indicator lighting\u003c\/li\u003e\n  \u003cli\u003eBird deterrent and wildlife dispersal (effective up to ~100m in sunlight)\u003c\/li\u003e\n  \u003cli\u003eOutdoor signaling and long-range beam visibility\u003c\/li\u003e\n  \u003cli\u003ePWM-controlled laser systems and TTL-modulated setups\u003c\/li\u003e\n  \u003cli\u003eScientific, industrial, and hobbyist laser projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWavelength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e520nm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~2.8–2.9W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBeam Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~30mm at exit\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V DC (5A supply required)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePWM Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–5V, Frequency \u0026lt;18KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTTL compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBatteries Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBulbs Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e⚠️ Important Safety Warnings – Please Read Before Purchase\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEye Hazard:\u003c\/strong\u003e This is a high-power laser module. Direct eye exposure is strictly prohibited and may cause \u003cstrong\u003epermanent blindness\u003c\/strong\u003e. Always use appropriate laser safety eyewear. Use at your own risk.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFire Risk:\u003c\/strong\u003e Do not operate in flammable or gaseous environments. Risk of fire or explosion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKeep Away from Children:\u003c\/strong\u003e This product is not suitable for children. Keep out of reach at all times.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e Must be driven by a stable \u003cstrong\u003e12V \/ 5A\u003c\/strong\u003e power supply. Insufficient power may damage the module.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDo Not Disassemble:\u003c\/strong\u003e Opening the module may cause irreparable damage and voids any warranty.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePWM\/TTL Input:\u003c\/strong\u003e Signal range 0–5V, frequency must remain below 18KHz.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor general laser safety guidelines, refer to the U.S. Consumer Product Safety Commission (CPSC) Laser Safety Resources.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power supply does the 520nm green laser PWM module require?\u003c\/h4\u003e\n\u003cp\u003eA: This laser module requires a stable \u003cstrong\u003e12V \/ 5A AC power supply\u003c\/strong\u003e to operate correctly. Using an undersized or unstable power supply may result in reduced performance or damage to the module.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can the 520nm laser module be focused to a tighter beam?\u003c\/h4\u003e\n\u003cp\u003eA: No — this module features a \u003cstrong\u003efixed, non-focusable beam\u003c\/strong\u003e. The beam is expanded to approximately 30mm (3cm) in diameter at the exit via an integrated beam expander. The design is optimized for wide-area visibility and ground marker use rather than pinpoint focusing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does PWM\/TTL modulation work with this laser module?\u003c\/h4\u003e\n\u003cp\u003eA: The module supports \u003cstrong\u003ePWM (Pulse Width Modulation) and TTL modulation\u003c\/strong\u003e via a 0–5V signal input at frequencies below 18KHz. This allows you to adjust the laser's output power dynamically using a compatible controller, microcontroller, or signal generator.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this laser module safe for outdoor bird deterrent use?\u003c\/h4\u003e\n\u003cp\u003eA: This module is suitable for \u003cstrong\u003eoutdoor bird deterrent applications\u003c\/strong\u003e and can effectively deter birds within approximately 100 meters under direct sunlight. Always follow local regulations regarding laser use outdoors and ensure the beam path is clear of people and animals at all times.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power supply does the 520nm green laser PWM module require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This laser module requires a stable 12V \/ 5A AC power supply to operate correctly. 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