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 Easy to Use: Simply push the On/Off switch forward to turn on the light. It’ll continue to light and illuminate the way ahead. No longer worry about walking at night Replaceable Batteries: Each keychain flashlight is equipped with 2 CR2016 Lithium button cells. Each battery withstands 12 hours of continuous use. Replace the batteries by opening the shell from the bottom with a screwdriver 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 with their shells designed in black, blue, purple, green and transparent (1 each). 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!