| Brand | UItraFire |
| Model | WF-501B |
| Color | Black |
| Quantity | 1 |
| Material | Aluminum alloy |
| Emitter Brand | Cree |
| LED Type | XM-L2 |
| Emitter BIN | T6 |
| Color BIN | White |
| Number of Emitters | 1 |
| Brightness | 800 lm |
| Working Voltage | 3.6~4.2 V |
| Circuitry | 1500 mA |
| Number of Modes | 3 |
| Mode Arrangement | Hi > low > fast strobe |
| Switch Type | Reverse clicky |
| Switch Location | Tailcap |
| Mode Memory | No |
| Runtime | 1.5 hours |
| Beam Range | 200m |
| Lens | Glass |
| Reflector | Aluminum smooth |
| Battery Configuration | 1 x 18650 (included) |
| Strap Included | Yes |
| Clip Included | No |
| Packing List | 1 x Flashlight 1 x Battery 1 x Strap 1 x 2-Flat-Pin plug power adapter (100~240V) |