Features: Ultra Bright Red LED Keychain Flashlight: The red keychain LED flashlight offers 12 lumens handy close-up red LED light, it can be the easiest nearby emergency red light to get. Red light is the helpful tools for night observation, you can observe the animals behavior without disturbing them. The red light is also very helpful for Astronomy and Aviation, with it on reading charts, checklists, or other documents. Tiny and Lightweight and Safe Red LED Keychain Light: The size of the red 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 red keychain light, have the safety with you. Two Easy Use Methods: (A)Instant Key Light: Slightly pinch the middle of the red keychain flashlights with your two fingers to activate instant red light; (B)Continuous Light: Slide the On/Off Switch to turn on or turn off the mini red light keychain flashlight. Replaceable CR2016 Batteries: The mini red 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: 18 PCS red key ring flashlight are included in the package. They are also perfect for night party, Christmas, Halloween, and outdoor activities. Specification : Light Source Type: LED Light Color: Red Output Luminous: Flux 12 lumens Mode: 1 Mode/Single Mode, (On/Off) Battery Configuration: 2 X CR2016 Batteries (batteries are included) Flashlight Shell Color: Red Size(Length*Width*Height): 1.61" x 0.91" x 0.28" Material: Hard Plastic Weight: 0.25OZ/7g Package include : 18 X Red light keychain flashlight-Red Shell 1 X User manual