Item No: SL-F035
Material: ABS
LED:2 pcs Super Bright White LED
LED Brightness:15000-18000 MCD
Size:43*35*15mm
Weight:21.5g
Working Mode:ON-OFF
Powered by hand cranking
Built-in 3.6V/20mAh NI-MH rechargeable Battery,no need to replace battery
Including a keychian it's more conveniently