An extremely handy and powerful hanging style bivvy light, powered by built in lithium batteries, with a maximum output 1.5 W and a maximum brightness of 150 lm. There are several lighting modes in both white and red, all accessed via the remote control. The Professional Bivvy Light can be charged from any powerbank, car adaptor or AC adaptor with the USB plug. Maximum continuous usage time of the fully charged lamp is approx. 30 hours.