| Brand | SingFire |
| Model | SF-540 |
| Quantity | 1 |
| Color | Black + red |
| Material | Aluminum alloys |
| Emitter Brand | Cree |
| LED Type | XM-L |
| Emitter BIN | T6 |
| Color BIN | Cool white |
| Number of Emitters | 1 |
| Working Voltage | 8.4 V |
| Battery Configuration | 4 x 18650 rechargeable li-ion battery |
| Circuitry | 2500mA |
| Brightness | 950 lm |
| Runtime | 4 hours |
| Number of Modes | 4 |
| Mode Arrangement | Hi > Mid > Lo > Fast strobe |
| Mode Memory | No |
| Switch Type | Forward clicky |
| Switch Location | Tailcap |
| Lens | Glass |
| Reflector | No |
| Flashlight Mounting | Handlebar and helmet |
| Beam Range | Above 300m |
| Strap Included | No |
| Clip Included | No |
| Features | Water resistant / Hard anodized / Zoom-to-throw |
| Certification | CE / RoHs |
| Packing List | 1 x Headlight |
| 1 x Battery pack (33cm) |
| 1 x 2-Flat-Pin plug power adapter (100~240V / 110cm) |
| 1 x Elastic headlight band |
| 2 x Powerful rubber rings |
| 1 x English user manual |