| Brand: | UltraFire |
| Model: | WF-504B |
| Emitter Brand: | Cree |
| LED Type: | XM-L |
| BIN: | T6 |
| Color: | Cool White |
| Number of Emitters: | 1 |
| Voltage Input: | 2.8~4.2V |
| Battery Configuration: | 1 x 18650 battery (2500mAh included) |
| Circuitry: | Digital Regulated 1400mA |
| Brightness: | 510LM |
| Runtime: | 50 minutes |
| Number of Modes: | 1 |
| Switch Type: | Reverse clicky |
| Switch Location: | Tail cap |
| Lens: | Glass lens |
| Reflector: | Aluminum Smooth/SMO |
| Strap Included: | Yes、 15cm-length |
| Accessories/Spare parts: | 1 x Battery charger (AC 100~240V / 2-flat-pin plug / 120cm-cable) |