Estar Keychain Flashlight is made of Aluminum ally and pc, it built-in 500mah Lithium battery with Type C charging port for quick charging. It takes magnet design allows the lamp to attach to any metal, and 180°foldable bracket allows the light to be positioned at different angles or hung in certain places. It has 3 different lighting modes, which can meet your high, low, strobe and for various scenarios. It is also a good bottle opener.