The Electralight Rechargeable COB Work Light is ideal for professional users. The ultra-bright COB light features a 2 phase switch to save energy. The main COB work light operates at 300 lumens in the high energy mode. The light features a heavy-duty magnet on the rear as well as a hook concealed in the head for even greater hands-free usability. Integrated lithium ion battery and charge status indicator for quick and easy power when you need it.