The Ulanzi L023 is a compact yet powerful 40W Bi-Color LED fill light. This pocket-sized light features a 2500 to 6200K adjustable color temperature, a separate 0 to 100% dimming function, and a runtime of up to 50 minutes at the maximum 50W (Overclock mode) output. Weighing just 1 lb, this cube light is easily handheld or mounted on a stand via its 1/4"-20 threaded hole. Built-in 3400mAh high-capacity battery supplies power to the light, which can be used without being plugged in. The light's battery pack charges in three hours and gives up to three hours of battery life depending on the brightness level. With DC and Type-C charging ports, supports 65W PD fast charging. Also included is a mini diffuser for softening light that attaches via a mini Bowens mount.