This is an indispensable product in your intelligent home system. LCD display, give you a clearer use experience. 6 working modes design, with energy saving mode, comfort mode, holiday mode, manual mode, auto mode, BOOST mode, you can switch according to your demands. Supports app remotely control via your mobilephone with sound commands to control the indoor temperature. Specifications: Material: ABS Battery: 3 * 1.5V AA alkaline batteries (not included) Working temperature: 0-50°C                     Display accuracy: 0.5℃ Default ranges of temperature adjustment: 5-35°C        Probe sensor: NTC(10k)1% Ranges of temperature display: 0-70°C                 Thread size: M30*1.5 Maximum route: 4.5mm Item size: 100 * 66 * 52mm / 3.94 * 2.60 * 2.05in Item weight: 154g / 5.43ounce Packing size: 125 * 90 * 77mm / 4.92 * 3.54 * 3.03in Packing weight: 222g / 7.83ounce Packing List: 1 * Radiator Thermostat 1 * User Manual