FEATURES-Fits Ruger SR22, SR9, SR40, SR9C, & SR40C-Bright red laser is fully adjustable for windage & elevation-Integral rail allows for attachment of lights & other accessories-Customizable for the user's preference of a steady or pulsed beam-Distinct ambidextrous ON/OFF switch reinforces safe firearm handling-Automatic time-out feature prevents inadvertent battery drain-Can be user programmed for a steady or pulsed beam option -650NM wavelength-5MW power output-4+hours battery lifePRODUCT SPECIFICATIONS:Dimension 2.50 X 4.35 X 4.70Height 2.5000Width 4.3500Length 4.7000LASER TYPE RAIL MOUNT LASERPOWER OUTPUT 5mWBEAM COLOR REDBATTERY TYPE 1/3N LITHIUMMASTER ON/OFF SWITCH NADJUSTABLE YWEIGHT 0.8OZFINISH BLACKACTIVATION DUAL TAP-ON/TAP-OFF 4+ HOURS OF BATTERY LIFE, 5 YEAR WARRANTY, MADE IN THE USA USER PROGRAMMABLE FOR CONSTANT OR HIGH-VIZ PULSE MODE,BATTERY BOOST 10 MIN TIMEOUT FEATURE, BUILT IN RAIL FOR ACCESSORIESNO DIRECT SHIP TO CALIFORNIA