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| General Specs | |
| Brand | UltraFire |
| Model | WF-501A |
| Type | Signal Flashlight Torch |
| Body Material | aluminum alloy |
| Reflector Material | aluminum alloy |
| Reflector Type | OP |
| Bulb Number | 1 |
| Emitter Type | CREE |
| Color of Light | blue |
| Luminous Flux | 210LM |
| Number of Mode | 1 mode |
| Service Life | 10,0000 hours |
| Voltage | 3.7V |
| Battery Working Time | 2hours |
| Battery Configuration | 1*16340 battery (not included) |
| Others | water-proof design, efficient constant current output circuits |