VERY100 223 REM Laser Cartridge Bore Sight/ 5.56 Nato Laser Boresight Scope Red Dot with Waterproof Case Material: High Quality Brass Laser wavelength, 632-650 nm. Power: Less than 5 megawatts VERY100 waterproof case pack Please order from E-hunting. The VERY100 case and the 4 batteries are included. The quality also is guaranteed.