LP0044B Model: JD-851 Color: Black Laser color: Green Material: Metal housing Laser wavelength: 532nm Output Power: 5mw Power: 1X 16340 battery Beam Diameter: <1.5nm Switch Type: Tail button switch Service Life: 5000h Delicate and fine workmanship Perfect for achieving accurate aiming Easy and convenient to use and carry Package Details Weight: 313.51 g Size: 15.9*12.3*4.2 cm Package Includes * Green Laser Pointer