Airacle Travor 3200-5600K Magic Tube Photo Photography Light MTL-900 II as Ice Light Signal Light Ultra-portable compact design:4.5cm in diameter (easy to hold) Material: Plastic, Aluminum Power: 20W; Voltage: 9V; Compatible Batteries: NP-F550&AC/DC Power LED Quantity: 298PCS Max Beam luminance:1600LUX Color Temperature:5600k/3200k; Beam Control:Adjustable