Rotatable light with clip on function and magnet, can also be placed like a headlamp.. The lamp is rechargeable with USB-C This is the perfect lamp when you are night fishing or just out in the nature. Length : 9,4cm Weight: 80gr It has 5 light options incl red light To turn it off stay in any light options for 10sek, and press it again.. OBS: Remember to remove the small plastic part on the battery