Cordless lamp with a wooden structure and handle for easy transport. Led light bulb and battery that is charged by USB. The complete charging process is between 7-8 hours Red indicates that the lamp is charging while green indicates that it has been fully charged. There are three levels of intensity. Low intensity: maximum duration 72 hours Medium intensity: maximum duration 9.5 - 10.5 hours High intensity: maximum duration 4.5 - 5.5 hours