The white LED UniGlo Optima panels offer brightness as high as 75 Ft-L, depending on panel size and configuration, with extreme thinness (0.013 inches /0.33mm), superior tactile response and excellent uniformity. They require no inverter, generate no heat or EMI, and provide the long lifetimes associated with LED based devices. Power consumption is typically 3.6V, 20-30 mA, with an operating temperature range of -40Â¬? to +85Â¬? C.