Features: 
1. Toughened ultra-clear glass lens
2. Use 1PC of Cree LED with lifespan 100, 000 hours at high lumens
3. Durable Aluminum alloy with HA 111 anodized finish
4. Three modes (High-weak-strobe)
5. Reverse protective & Short circuit protective
6. Shockproof and waterproof

Technical parameter:
1. Voltage rating : 3.5V
2 . Rated capacity : 1300*2 mAh
3 . Current : 350 - 800mA
4 . Light flux : 110 - 200Lm
5 . Run Temperature : -40—60 °C
6 . Bulb Life : ≥100000 h
7 . Effective distance : ≈150 m

8 . Discarge Time: 3 - 6 hrs

9 . Recarge Time : 4 hrs

10 . Bezel Diameter : Ф40.1 mm
11 . Body Diameter : Ф24.1 mm
12 . Length : 141 mm