Blue Sky™ Look-Alite's MARVEL LED Key Chain Flashlight, Captain America, 2 3/8" x 1 1/4" Illuminate the inside of your bag, the lock on your door and other areas with this compact flashlight. It's easily portable and features a MARVEL character that shows you're a fan. Key chain flashlight is easy to take with you on the go. LED bulb delivers soft, white light. AG10 batteries power the flashlight for up to 2 years (included). Battery life will vary depending on the product configuration, product model, applications loaded on the product, power management setting of the product, and the product features used by the customer. As with all batteries, the maximum capacity of this battery will decrease with time and usage. Captain America design shows you're a fan of the Avengers superhero.