| Brand | SingFire |
| Model | SF-721 |
| Color | Black |
| Quantity | 1 |
| Material | Aluminum alloy |
| Emitter Brand | Cree |
| LED Type | XM-L |
| Emitter BIN | T6 |
| Color BIN | Neutral White |
| Number of Emitters | 1 |
| Brightness | 800 lm |
| Working Voltage | 3.7 / 4.5 V |
| Circuitry | 2500 mA |
| Number of Modes | 5 |
| Mode Arrangement | Hi>Mid>Low>Fast Strobe>sos |
| Switch Type | Reverse clicky |
| Switch Location | Tailcap |
| Mode Memory | No |
| Runtime | 3 hours |
| Beam Range | 200 |
| Lens | Plastic |
| Reflector | no |
| Battery Configuration | 1 x 18650 battery (included) / 3 x AAA batteries (AAA battery not include) |
| Strap Included | Yes |
| Clip Included | No |
| Other Feature | Zoom-to-throw; The telescopic focus; 5 modes button switch; Aluminum alloy material shell |
| Certification | CE / RoHS |
| Packing List | 1 x Flashlight 1 x AC power charger adapter (input: AC 100~240V、 50/60Hz、 output: DC 4.2V、 650mA; 2-flat-pin plug; 77cm-cable) 1 x AAA battery case (AAA battery not include) 1 x 18650 battery 1 x English user manual |