| Brand | Ultrafire |
| Model | WF-501B |
| Quantity | 1 Piece |
| Color | custom10000 |
| Material | Aluminum alloy |
| Other Features | Others、N/A |
| Emitter Brand | Cree |
| LED Type | XM-L |
| Emitter BIN | T6 |
| Number of Emitters | 1 |
| Color BIN | White |
| Working Voltage | 3.7~8.4 V |
| Power Supply | 1 x 18650 / 2 x 16340 (not included) |
| Current | 0.9 A |
| Actual Lumens | 350 lumens |
| Runtime | 1~2 Hour |
| Number of Modes | 1 |
| Mode Arrangement | Others、Steady on |
| Mode Memory | No |
| Switch Type | Reverse clicky |
| Switch Location | Tailcap |
| Lens | Glass |
| Reflector | Aluminum Smooth |
| Beam Range | 150 m |
| Strap/Clip | Strap included |
| Output(Lumens) | 201-500 |
| Runtime(Hours) | 1.1-2 |
| Packing List | 1 x Flashlight |