| Brand | RUSTU |
| Model | D66 |
| Quantity | 1 |
| Color | Black |
| Material | Aluminum |
| Emitter Brand | Cree |
| LED Type | XM-L |
| Emitter BIN | T6 |
| Color BIN | Cool White |
| Number of Emitters | 4 |
| Working Voltage | 11.1 V |
| Battery Configuration | 6 x 18650 (4500mAh, included) |
| Circuitry | 7.8~8.5A |
| Brightness | 3000 (Hi mode) > 2200 (Lo mode) > 2300 (Fast strobe mode) lm |
| Runtime | 4 hours (Hi mode) > 6 hours (Lo mode) > 5 hours (Fast strobe mode) |
| Number of Modes | 3 |
| Mode Arrangement | Hi > Lo > Fast strobe (Long press 3 seconds) |
| Mode Memory | No |
| Switch Type | Forward clicky |
| Switch Location | Head |
| Lens | Tempered optical glass |
| Reflector | Aluminum Smooth / SMO |
| Strap Included | No |
| Clip Included | No |
| Band Length | Triple-side flexible nylon bands, single length: 22cm; Length adjustable. |
| Beam Range | 320 meters |
| Other Feature | Waterproof: IPX7; Hard anodized: HA-III |
| Certification | CE |
| Packing List | 1 x Headlamp (60cm-cable) |
| Â | 1 x Battery pack (60cm-cable) |
| Â | 1 x 2-flat-pin plug power charger (100~240V / 100cm) |
| Â | 2 x Fixed rings |
| Â | 1 x English user manual |
