Centerfire Series for Beretta NanoFeatures:- Red laser with constant beam- Custom designed to fit the Beretta Nano- Mounts to the frame without changing out parts or altering your weapon- Sits just under the bore for pinpoint accuracy- Ambidextrous activation for right and left-handed shooters- Controlled Activation gives you the confidence to control every situation- You choose when the laser turns on- It wont reveal your position while unholstering, reloading, or when youre on the move.- User installed in minutesSpecifications:- Weight: 0.5 oz- Wavelength: 650 nm (Red)- Power output: 5mW- Battery: 1/3 N Lithium (1)- Battery Life: Over 4 hours- Adjustment: Factory aligned- at 10 yards, user adjustable for- windage and elevation- Warranty: 1 year