With BatteryGuard(TM) technology, the Coleman BatteryGuard 250M Flashlight is able to retain brightness and battery life much longer than other flashlights. BatteryGuard(TM) technology disengages batteries to preserve battery life and reduce corrosion when light is off and provide Power When You Need It(TM) Provides up to 25% longer battery life versus a ColemanA(R) light without BatteryGuard(TM) technology while under normal use BatteryGuard(TM) technology automatically engages when you turn off the flashlightComfort-grip design lets you securely and comfortably hold your lightRubber-edged bezel for extra drop protectionStrong, lightweight aluminum construction2 modes: high and lowLumens: 325 (high), 4 (low)Runtime: 1 hour (high), 200 hours (low)Beam distance: 250 m (high), 25 m (low)IPX4 water-resistant designImpact-resistant up to 2 mPowered by 3 AAA batteries (included)Lifetime LEDs never need replacing