1Amazing silver frame is modern style, the visible thickness above the wall is only 15mm. 2The 4.8inch large color backlight, the touch screen is easy to operate, and it is very convenient to use. 3The accuracy of 1 keeps the temperature at the level you set, and it can be customized to or according to customer requirements. 4Six periods programmable has maximum comfort and economy, manual or programmable mode switching. 5When the data memory is powered off, there is no need to worry about power failure. Press and hold for 5s to lock/unlock the thermostat, and you can choose full lock or half lock. Item Type: Thermostat Material: PC + ABS Weight: Approx. 400g / 14.1oz Product Size: Approx. 13x9x4cm / 5.1x3.5x1.6in Voltage: AC 95-240V 50-60Hz Current Load: 5A Power Consumption:1 x Thermostat 2 x Screw 1 x Manual 1 x Temperature Control Sensor Line (2.5M) The connection operation is complicated, it is recommended to install with the help of professionals.