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Wavelength: 520nm Power: 3W Beam diameter: about 3-4mm at the mild outlet This laser is synthesized through means of definite remedy of three 1W laser diodes, with a power of round 2. As it is combined, the optical patch can have a tail, and there will also be a vulnerable mild on one facet of the beam. If you intellect this situation, please buy carefully! Non adjustable focus! Power can be adjusted via manner of PWM signals! Supports TTL modulation! Must read earlier than purchase: 1. The laser power module is relatively large, so eye contact is prohibited, in another case it may trigger permanent blindness, and the consequences are at your own risk! 2. Do not use in flammable and fuel environments to bypass fires and explosions. 3. Children are prohibited from entering contact with this laser product. 4. This laser demands a 12V 5A calories supply to power it, 5. Do no longer open the module to stop damage. 6. PWM/TTL: 0-5V, frequency<18K This laser can be used to modify right into a laser chicken repellent, because it has a high energy of 3W and might be needless to say considered in sunlight, which can't be done with 1W green light. Tested to be pleasant in repelling birds below sunlight, please watch the most important photograph video for particulars