Size and weight:
 Bazel dia:33mm
 Body dia:24mm
 Length:146.5 mm
Weight: 126.4 g (exclude battery)
Technical parameter
1.Voltage : 3.7 V
2.Capacity :2200 mAh
3.Current :100-800 mAh
4.Light flux : 240Lm
5.Bulb life::≥ 100000 h
6.Battery life: 3 hours in high, 20 hours in weak (1*18650 rechargeable battery)

Features:
1.Toughened ultra-clear glass lens
2.Highly efficient focusing head
3.Use 1pc of Cree  Q5 led with lifespan 100,000 hours high lumens
4.Durable Aluminum alloy with HA111 anodized finish
5.Anti-roll, slip-resistant body design
6.Reverse protective & Short circuit protective
7.Shockproof and waterproof
Funtion:
_ 100% brightness :constant 240 lumens, 3 hours ,
_ 30% brightness : 100 lumens, 8 hours ,
_ 10% brightness : 30 lumens, 20 hours ,
_ Strobe : 150 lumens, 5hours ,