
| General Specs | |
| Brand | UltraFire |
| Model | WF-501B |
| Type | Signal Flashlight Torch |
| Body Material | aluminum alloy |
| Reflector Material | aluminum alloy |
| Reflector Type | OP |
| Bulb Number | 1 |
| Color of Light | red |
| Luminous Flux | 210LM |
| Number of Mode | 1 mode |
| Service Life | 100000 hours |
| Voltage | 3.6~9V |
| Battery Working Time | 4~6hours |
| Battery Configuration | 1*18650 battery (not included) |
| Others | water-proof design, efficient constant current output circuits |