UTG LS269 green laser 3R Class 1,000 meters range (1,090+ yards) 3,000 hrs laser life 530-540nm wavelength 2.5-4.0 mW output 480 mins. battery life 96cm beam movement @ 10 meters 10-12mm beam diameter @ 15 meters 59 deg. F to 95 deg. F operating temp. Twist-on, push-button momentary switch & remote pressure switch on/off True Strength platform Aluminum body 3.0 oz. .76" dia. 4.72" long Includes one CR123A lithium battery & Weaver/Picatinny mount Black