MAKES A GREAT GIFT: Perfect for Halloween, Christmas, outdoor parties, camping, hiking, dog lights or emergencies.COMPACT AND LIGHTWEIGHT: Measuring 1.6" x 0.87", it's small enough to attach to your keychain with a convenient quick-release loop, and weighs 0.2 ounces without adding bulk to your keychain.Two modes: Press the squeeze button to activate the instant light, slide the on/off switch for hands-free operation.Ultra Bright LED: The unbreakable flashlight offers 12 lumens of brightness and 100,000 hours of LED life. Visible over a mileREPLACABLE BATTERIES: The installed 2 CR2016 lithium batteries give you up to 12 hours of continuous use.