cree led flash light:
1,aluminium case from airplane
2,3.7V
3,2400MAH 18650 battery
4.battery protect when voltage over

cree led flash light 

Features:

1 Material: T6061T6  Aerometal
2 Surface treatment: Hard anodizing (Colorful)
3 Bulb Type: Cree 3W high power LED, Life 100,000hours
4 Maximum brightness: 120 lm

5 Visible Distance: 500m 
6 Battery Type: 1×AA(1.2V,2100mA)
7 Time of continuous illumination: Intense light 2.5 hours, low light 25 hours,flash light 2.5 hours
8 Charge Time: 10 hours
9 Waterproof Grade: IP68
10 Product Size: Φ21 mm×89mm
11 Product weight:  70g (with battery)/47g(without battery)

12 Packaging: Gift Box / Color Box   

Application Effect