Features: Ultra Bright Yellow LED Keychain Flashlight: The yellow keychain LED flashlight offers 12 lumens handy close-up yellow LED light, it can be the easiest nearby emergency yellow light to get. The yellow light is warm light, It's good for fishing and jade inspection. It has the strongest penetration than other visible light under the dense fog weather, so the yellow light is good for indicator lights. Tiny and Lightweight and Safe Yellow LED Keychain Light: The size of the yellow keychain LED flashlight is like a quarter, it's only 0.25OZ weight. It's very convenient to attach to the keychain, dog collar, zipper, backpack, hiking or camping devices and so on. It's very convenient for you to carry with it everywhere, have the yellow keychain light, have the safety with you. Two Easy Use Methods: (A)Instant Key Light: Slightly pinch the middle of the yellow keychain flashlights with your two fingers to activate instant yellow light; (B)Continuous Light: Slide the On/Off Switch to turn on or turn off the mini yellow light keychain flashlight. Replaceable CR2016 Batteries: The mini yellow keychain flashlight is installed 2 x CR2016 batteries, usually it gives you up to 12 hours of continuous use. When the power of the batteries are running out, you can replace the CR2016 batteries yourself. Great Gifts for Lighting Effect: 6 PCS yellow key ring flashlight are included in the package. They are also perfect for night party, Christmas, Halloween... Specification : Light Source Type: LED Light Color: Yellow Output Luminous: Flux 12 lumens Mode: 1 Mode/Single Mode, (On/Off) Battery Configuration: 2 X CR2016 Batteries (batteries are included) Flashlight Shell Color: Yellow Size(Length*Width*Height): 1.61" x 0.91" x 0.28" Material: Hard Plastic Weight: 0.25OZ/7g Package include : 6 X Yellow light keychain flashlight-Yellow Shell 1 X User manual