PRODUCT SPECIFICATIONS:Dimension 1.75 X 4.10 X 7.75Height 1.7500Width 4.1000Length 7.7500BODY MATERIAL AIRCRAFT GRADE ALUMINUMMAJOR COLOR BLACKLENGTH IN INCHES 2.51WEIGHT IN OZ 2.49MAXIMUM OUTPUT IN LUMENS 1000MAXIMUM RUN TIME IN HOURS 1MOUNT STYLE UNIVERSAL RAIL MOUNTBATTERY TYPE SL-B9INTEGRAL LASER NWATERPROOF YTYPE FIREARMS LIGHTSOTHER FEATURES: RAIL GRIP CLAMP SYSTEM, LOW PROFILE AMBIDEXTROUS MULTI FUCTION PUSH BUTTON SWITCH, USES 1-SL-B9 LITHIUM USB BATTERY (INCLUDED) RAIL LOCATING KEY, SA HELLCAT, 500 - 1000 LUMENS, RUN TIME 1 HOUR, USER ENABLED STROBE FUNCTION "SAFE OFF" FEATURE