Special Features:- WEIGHS ONLY .78OZ - INSTANT-ON WHEN DRAWN FROM INCLUDED HOLSTER- CHOOSE FROM CONSTANT OR PULSE MODES - LASER IS POWERED THE MAXIMUM LEGAL STRENGTH- LASER IS DAYTIME VISIBLE UP TO 100 YARDS IN DAYLIGHT / 2 MILES AT NIGHT- LOW BATTERY INDICATOR – READY / REPLACE- EASY TO SIGHT IN