Ultra-bright Keychain Flashlight: Each LED keychain light offers 14 lumens of brightness and 100,000 hours’ life-span. Perfectly light up areas up to 33 feet! 2 Lighting Modes: Continuous Lighting & Strobe – Press the button briefly on the mini light to start continuous lighting, press it again to activate strobe and press it a third time to turn off the light. Replaceable Batteries: Each keychain flashlight is equipped with 2 CR2016 button batteries. Each battery withstands 12 hours of continuous use and can be easily taken out for replacement. Light & Portable: Size: 1.7" L x 1" W; Weight: 0.34 oz. Easily attach the mini LED light to your keychain with the split ring and carry it around wherever you like. Wide Applications: Contain 10 mini LED flashlights altogether. Excellent lighting tools for outdoor night parties, camping, hiking, dog walking, repairing or emergencies. Ultra-bright Keychain Flashlight: Each LED keychain light offers 14 lumens of brightness and 100,000 hours’ life-span. Perfectly light up areas up to 33 feet!