LE Keychain LED Flashlight, Mini and Bright Torch Light, Batteries Included, Pack of 5, Black Lightweight: 0.67in/17mm in diameter, 2.1in/53mm in length and 0.74oz/21g in weight, it is very convenient to carry. High-quality hanging buckle: Each small flashlight presents a small carabiner with aluminum alloy instead of ordinary hanging buckle, which is durable and practical. Power supply: Use 3 high-performance LR44 batteries. You only need to take out the built-in battery separator before use. Normally, the standby time is more than 1 year. Rugged and non-slip: Made of 6063 high-performance aluminum alloy which is sturdy and durable, and the skid-proof design can prevent slip out easily. Package included: 5 x LE Keychain Flashlight.