Bulb: CREE Q5 white LED
Size: 160x45X2505X35mm
3 Brightness: Strong lighting with current 500ma-1200mA
Middle lighting with current 240mA-360mA
Low lighting with current 40mA-60mA
5Functions: Low power-middle power-strong power, fast flash, SOS
Use1PC 2400mAh 18650 Li-ion rechargeable battery
Run-time: Strong Power 2hours
Middle power 6hours
Low power 20hours
Material: Aluminium
Water-Resistance and Shock-Resistance