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| Model No. | ZY-1537 |
| Bulb | CREE XM-L U2 |
| Size | 34x30x173mm |
| Battery | 1X18650 (2000MAH) |
| Material | aluminum alloy |
| Surface treatment | Anodic Oxidation |
| Color | different color based on the clients' request |
| Switch | Medium cap push switch |
| Function | Input & Output USB rechargeable , Zoomable |
| Lighting distance | >300meters |
| Runtime | 100% light: 2hrs 30% light: 4.1hrs |
| Charging time | 5-5.3hrs |
| Voltage/current: | 3.7v/500mAh |
| Lumen | 100% light: 620Lumens 30% light: 215Lumens |
| Weight | 140g(battery excluded) |
| LED liffetime | 100,000 hours |







