Aviation grade aluminum alloy:6N01-T6
Brightness:
Max:400 lumens
Mid:150 lumens
Low:50 lumens
Use 18650 Li-ion battery
High light 4H runtime
Low light 18H runtime
Four switch:highlight,middlelight,lowlight
Diameter/length :27.5mm/158.3mm
Net weight:157g
Packed by double blister