M18
Size and weight:
Bazel dia: 21 mm
Body dia:21 mm
Length:100mm
Weight: 68 g (exclude battery)

Technical parameter
 1.Voltage : 1.5 V
 2.Capacity :
 3.Current : 200-300 mAh
 4.Light flux : 70 Lm
 5.Run temp :-40_60 C
 6.Bulb life::≥ 100000 h
 7.Battery life: 2 hours in high, 4 hours in weak (1*AA battery) 

Five modes output,selected by the tailcap switch: 
_ 100% power : 70 lumens
_ 50% power: 35 lumens
_ 30% power: 20 lumens
_ Strobe mode: 70 lumens
_ SOS mode: 70 lumens

Features:
1.Toughened ultra-clear glass lens
2.Highly efficient focusing head
3.Use 1pc of Cree led with lifespan 100,000 hours
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