| Color | custom10000 |
| Brand | SingFire |
| Model | SF-828 |
| Quantity | 1 Piece |
| Material | Aluminum alloy |
| Emitter Brand | Cree |
| LED Type | XM-L |
| Emitter BIN | T6 |
| Number of Emitters | 1 |
| Color BIN | Cool White |
| Working Voltage | 4.2 V |
| Power Supply | 4 x 18650 Li-ion battery pack |
| Current | 2.5 A |
| Theoretical Lumens | 800 lumens |
| Actual Lumens | 550-800 lumens |
| Runtime | 3 Hour |
| Number of Modes | 4 |
| Mode Arrangement | Others、Lo > Mid > Hi > Flashing |
| Mode Memory | No |
| Switch Type | Reverse clicky |
| Lens | Plastic |
| Reflector | Aluminum Smooth |
| Flashlight Mounting | Handlebar and Helmet |
| Switch Location | Head |
| Beam Range | 200 m |
| Bike Lamp Interface Size | 5.5 x 2.1mm |
| Battery Pack Interface Size | 5.5 x 2.1mm |
| Other Features | Hard Anodizing ;Dimension with supper mini ; |
| Certification | CE/RoHS |
| Packing List | 1 x Bike light (64cm-cable) 1 x AC Charger (Input: 100-240V; Output: 4.2V 1000mA; 2-round-pin plug; 114-cm cable ) 1 x Battery pack (44cm cable) 1 x Head band 2 x Silicone rings 1 x English user manaul |