Light source     :USA imported CREE R5 LED
Brightness       :450lumens
Power             :5w
Material          :6061-T6 aviation aluminum
Size                :155mm,45mm,28mm
Net weight      :175g
Power source :1*18650 rechargeable Li-ion battery
Runtime         :3-5 hours
Distance         :200-300meters
Waterproof     :Ip67
Modes            :5modes (High>Middle>Low>Strobe>SOS)