[Great Gifts] Suitable for Halloween, Christmas, outdoor night party, camping, hiking, dog lights, emergencies. COMPACT AND LIGHTWEIGHT: Measures 4.1cm x 2.2cm (approx) small, it attaches to your keychain with a convenient quick-release loop and weighs 5.7g (approx) without adding bulk to your keychain. Two modes: Press the push button to activate the momentary light and slide the switch for hands-free operation. Ultra-bright LED: The robust flashlight offers 12 lumens of brightness and a 100,000-hour LED lifespan. Visible range of more than 1.6 kilometers (approx. 3.5 kilometers). Replaceable battery: CR2016 lithium battery installed, up to 12 hours of continuous use. Color: Black Material: Plastic Package contents: 10 * Mini Keychain Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.