| Brand | SingFire |
| Model | SF-544 |
| Quantity | 1 |
| Color | Black Light body |
| Material | Aero aluminum alloys |
| Emitter Brand | CREE |
| LED Type | XM-L |
| Emitter BIN | T6 |
| Color BIN | Neutral White |
| Number of Emitters | 3 |
| Working Voltage | 8.4 V |
| Battery Configuration | 4 x 18650 Rechargeable li-ion battery |
| Circuitry | 3000mA |
| Brightness | 2500 lm |
| Runtime | 2 hours |
| Number of Modes | 4 |
| Mode Arrangement | Low /middle/ high /strobe |
| Mode Memory | No |
| Switch Type | Forward clicky |
| Switch Location | Tailcap |
| Lens | Glass |
| Reflector | Aluminum Smooth |
| Flashlight Mounting | Handlebar and helmet |
| Beam Range | above 300m |
| Strap Included | No |
| Clip Included | No |
| Features | Water resistant / Surface anode under oxidation treatment; 4-mode recycle、 low light 20%、 middle light 50%、 high light 100%、 strobe slowly |
| Certification | CE / RoHs |
| Packing List | 1 x Bicycle light (40cm-cable) |
| | 1 x Battery pack (30cm-cable) |
| | 1 x Charger (2-flat-pin plug / 110~240V / 110cm-cable) |
| | 1 x Headlights (flexible) |
| | 2 x Rubber rings |
| | 1x English user manual |
Dimensions: 1.85 in x 1.69 in x 1.69 in (4.7 cm x 4.3 cm x 4.3 cm)