| Model | YD-839A1 |
| Size | φ53*L161mm |
| Pcs / Carton | 120pcs |
| MOQ | 6000pcs |
| Material | Aluminum alloy |
| LED | Aluminum Reflector 1W+4SMD |
| Battery type | 1200mAh Lithium Battery |
| Using hours | front light for 4hrs, back light for 8hrs |
| Charging time | 4-6 hrs |
| Color | Different colors for option |
| Input voltage | AC110-240V 50/60Hz |