Ho-light vision r4+ led. (bat. 4 cell)

The R4+ light is small enough to use as a headlamp, but still gives 2000 (1500 measurements) lumens for use in the most demanding conditions. Intensity: 2000 lumens max. Mounting: handlebars, helmet, head. Battery 4 CELL: 7.4 V Li-lon 6400 mAh. 2 CELL battery: 7.4 V Li-lon 3200 mAh (lightweight). Duration: 2 h 30 m max. power.LED power button lets you know which power mode you are using.Dimmable: 6 intensities (2 power sequences, each with three light levels, allows users to regulate power or duration time).Weight : 426 g (the whole set).