... :white, silver, gray and other b.acklight color:blue, green Touch screen thermostat, for fan coil unit control, 2pipe,4pipe optional back ... low-light viewing;Larger, easy-to-read character size;Extra-large touch keys for easy operation;Clean, uncluttered touchscreen display provideseasier navigation ... * Inner box size: 13x13x7cm* Carton size: 68x28x43cm T8100AC series of touch screen thermostat