(1) Rechargeable by USB micro, input DC 5V 1A
charging time 3-4 hours
working time 4-80 hours (from 100%-10% brightness)
battery type 2200 mAh lithium-polymer
USB adaptor is not included
(2) The luminaire is magnetically attachable.
On iron surface, it can be magnetically attracted and fixed on the surface directly. On non-iron surface, you can fix the 1 small iron sheets on the installation surface with double-sided adhesive tape (align the iron sheets with the magnet positions on the back of the luminaire), then it can be magnetically attracted and fixed on the surface. Thus it is easy to take down the luminaire for recharging, then put it back. 1x small iron sheets and 1x double-sided adhesive tape are included in the package
(3) The brightness is dimmable
(4) 2 lighting modes - constant mode and motion sensor mode. In motion sensor mode, the light will turn off automatically 20 seconds after the last motion is detected.