Planet Bike Blaze 650 XLR Rechargeable Headlight, Black/Grey Cree LED provides high, medium and low power beam along with Super flash flashing mode Run times: 2.5 hrs (650 lm), 6 hrs (350 lm), 10.5 hrs (220 lm), and 40 hrs (Super flash) Lithium Ion battery charges in 6.5 hours with USB mini cable (included) Smart charging technology with built in low battery indicator Quick-cam bracket mounts, adjusts or removes without tools Weight: 128g Light output 650/350/220 lumens High/medium/low/flashing run times of 2.5/10.5/40 hours