The Polaroid 112 LED Light Bar is packed with 112 LED bulbs which can run up to 8 hours using AA batteries. The pocket able sized daylight balanced light bar attaches to the camera using a standard hotshoe connection. Featured on top of the Light Bar are three integrated accessory points for stacking additional Polaroid Light Bars for a wall of light. in addition, an adjustable dimmer & barn doors are at your disposal for getting the light just how you want it.