Specifics:

1. LED: 1*CREE XR-E Q3, 3W
2. Battery: 2× Rechargeable 18650 Lithium (alternative 4*CR123A)
3. Size: 53.5(Head Dia)*227mm(L)
4. Weight: 275g (exclude battery)
5. Color: Customized
6. Material: 6063/T6 Aluminum alloy
7. Waterproof grade: IP65
8. Surface treatment: Anodizing
9. Lighting period: 160Lumen(2 hours)---100Lumen(6 hours)---50Lumen(10 hours)---flashing(8Hz)---SOS
10. ON/OFF button: On the backside