| Color | Black |
| Brand | SingFire |
| Model | SF-555 |
| Quantity | 1 Piece |
| Material | Aluminum alloy |
| Emitter Brand | Cree |
| LED Type | XM-L |
| Emitter BIN | T6 |
| Color BIN | Cool White |
| Number of Emitters | 3 |
| Working Voltage | 4.2 V |
| Power Supply | 2 x 18650 batteries |
| Current | 2500*3 mA |
| Theoretical Luminous | 1800 lumens |
| Actual Luminous | 1250 lumens |
| Runtime | 3 Hour |
| Number of Modes | 4 |
| Mode Arrangement | Others、Lo 1*T6 >Mid 2*T6>Hi 3*T6>Fast strobe 3*T6 |
| Mode Memory | No |
| Switch Type | Reverse clicky |
| Switch Location | Side |
| Lens | Glass |
| Reflector | Others、T6 in the middle with Aluminum smooth reflector ;2 *T6 in side without reflector |
| Band Length | 40 cm |
| Compatible Circumference | 40-70cm |
| Beam Range | 200 m |
| Strap/Clip | No |
| Other Features | Reflector:T6 in the middle with Aluminum smooth reflector ;2 *T6 in side without reflector |
| Certification | CE/RoHS |
| Packing List | 1 x headlamp with band 2 x 18650 batteries 1 x charger (input:100-240V 50/60Hz output:4.2V 500mAh 2-flat-pin plug;94cm-cable) 1 x English user manual 1 x gift box |