Portland Design Works Lars Rover Power 850 USB Rechargeable Headlight. The Lars Rover 810 is a USB rechargeable headlight with a powerful lithium-ion battery and a darkness destroying CREE LED bulb. Its precision reflector provides superior luminous guidance for up to 10 hours of ride time. The Lars Rover will run for an additional 15 minutes in low power safety mode after the low battery indicator light comes on. The rugged alloy construction is weatherproof and strong enough to handle the abuse of an urban commute.

5 Modes: Steady low (6 hours) Steady medium (3 hours) Steady high (1.5 hours) Fast Flashing (20 hours) Pulse (7 hours)

Li-ion battery CREE LED Texas Instruments integrated circuit

Weatherproof exterior for all season riding

One second delayed power switch to prevent accidental on/off

Light wakes up in last mode used

Micro USB charging cord included; 5.5 hour charging cycle

Includes UV-proof quick on/off handlebar mount