Ultra-bright Keychain light: Each LED keychain light offers 12 lumens of brightness and 100,000 hours' life-span. Perfectly light up areas up to 33 feet! 2 Ways to Use: Press the button briefly to start the instant light, while slide the On/Off switch backwards will activate continuous lighting to free your hands. 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: 1.6 Inch L x 0.9 Inch W; Easily attach the mini LED light to your keychain with the split ring and carry it around wherever you like. Wide Applications: Excellent lighting tools for outdoor night parties, camping, hiking, dog walking, repairing or emergencies. Material: ABS+metal colour: black Package Contents: 20 x Keychain light Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the