The Yongnuo YN600L Bi-Color LED Light Panel has a variable color temperature from 3200 to 5500K to fit seamlessly into any lighting scheme. Employing 600 LEDs, the fixture is fan-cooled and can be controlled wirelessly via its IR remote control. AC power is available with the purchase of an optional adapter, or user-supplied NP-F batteries can power the light when AC current is unavailable.