520nm 1W Green Fat Dot Beam Laser Diode Module 12V Adapter HolderLaser Features:Housing Size: 90*30*30mm Laser working mode: coarse beam Laser wavelength: 520nm Laser energy (power constant):≤ 1000mW Working voltage:DC 9V-12V Working current: lower than 1 Irradlation distance:3KM Spot sample (spot size) :35mm Modulation frequency:TTL output port 0-5V input 1HZ-100KHz immoderate on low off typical onPackage:1x 520nm 1000mW Laser Diode Module 1x 12V Adapter 1x Holder