Compact, Durable, and Versatile, Easily Replaceable. Please note when you use it, take the little round insulator of the flashlight before use it.Made of High-Quality Aluminum Alloy Material With Super Bright High Power LED, it makes the mini LED flashlight lighttweight. Its brightness is 10 lumens which can be used as a practical flashlight, perfect for bedroom, hallway, laundry room, stairwells, etc.