The Metz LED-320 Mecalight LED Light is designed to slide onto the hot shoe of your camera or camcorder and illuminate your subject. The mecalight LED-320 LED video light has 48 High CRI LEDs (LEDs with a high colour rendering index) and provides illuminance of 320 Lux. The light output from the mecalight LED-320 can be individually and continuously regulated from 0-100% as required using a dimming wheel on the back of the device. The mecalight LED-320 can also be modularly adapted to the mecalight LED-160 in any combination desired. This allows illuminance to be increased correspondingly. The LED-320 takes four AAA batteries or rechargeable batteries. Included is the operating instructions, diffuser filter and artificial light filter (3200K) which attach magnetically to the light.