2). Luminous Flux: 2200 Lumens

3). LED Lifespan: 50,000 hours

4). 2 End Cap Switch With Voltage Indicator: 

     *Green Switch: control 10%-40%-70%-100% modes

     *Orange Switch: control strobe mode only( it will turn to be strobe anytime when you press this button)

5). Modes: light 10%, 40%, 70%, 100%, strobe

6). 3 Colors (green, blue, red) changing on switch to indicate different battery power status

7). Battery: 6-cell battery pack, 6600mAh, 8.4V, waterproof with silicon rubber cover

9). The O-ring Mount: green luminous

10). Body Material: hard oxidation, 6061-T6 Aluminum alloy housing, anodized antiabrasive finish.

11). Weight Of Lamp: 0.1KG (0.85KG/set)

12). Used as bike light & headlamp or helmet light

13). CE, RoHS approved

14). Each set come with bike lamp, 6-cell battery pack, battery pouch,  charger, 2 x O-ring mount,headband/ helmet band, gift box.