... 3. Output power: 1000mw 4. CE, ROHS, FDA Waterproof Blue Laser Pointer 1000mw1. Wavelength: 445nm 2. Battery: 1 x CR123A3 ... Waterproof, can deep into 50meters, Well tested and high quality blue laser pointer, Clearly visible in the dark, Fixed focus, ... continuous output, Using long lifetime chip, more than 8000hoursApplication: Night shooting, Safeguard and self-defence, ...