Ultra Slim LED Light Box A new generation of light box, this ultra slim modern design comes in a choice of 2 sizes A3 or A4. Features: An energy efficient LED panel with consistent light across the whole face and low heat emission Also includes a dimmers feature. Includes a USB power lead with mains adapter. Specifications: Voltages Available: 220v-240v, 50Hz Output Voltage: 5v, 5w Colour Temperature: 6000~6500 Kelvin Overall Dimensions: A4= 360 x 270 x 8mm A3= 480 x 360 x 8mm Working Surface Dimensions: A4= 320 x 230mm A3= 440 x320mm Switch: Touch switch with dimmer feature USB Cable: 2m (6'6\") for use with Computer/Laptop Main Plug - UK/EU Option: USB Output Max 1.5A, 5V; Input AC100~240V 50~60Hz