Cassini C-IL Green Laser Binocular Module Black Type: Laser Sights Specifications: Color: Green Wavelength: 532 nm Operating Voltage 3V Operating Current: 200 - 350 mA Spot Diameter: 4M @ 50M Range: Up to 140 Meters Optical Power: Color: Black Size/Dimensions: 2.25 x 2.25 x 5.00