500ft waterproof.
Max brightness : 1,000Lm
1/4 rotary switch.
Switch level : 4 levels brightness control(high, medium, low, SOS)
Beam angle :3 degree
Burn time : 2.5-30hrs(4 steps control)
Power source : Li-ion rechargeable battery
All aluminum body.
Size : 218 x 32 x 54mm, 340g