Power output is 2000 lumens (measured 1500 lumens)
6 different power levels
Backlit LED power button lets you know which power mode your using
ES Li-Ion battery pack with built in power gauge
2.25 hours run time on full power (using the 4 cell battery)
Improved LED's
Pack includes either the 4 cell or 2 cell ES battery, quick bayonet fitting handlebar mount, helmet mount and head harness and 1m extension cable
Weight 426g (R4+ Headlamp and 4 cell ES battery)
