1、Powerful Functions: Weekly programmable, mobile app remote control panel, timing voice switch. 2、Open Window Detection: Manually support the operating temperature of the window function in the advanced options. 3、Built In 10K Sensor: Can check the temperature of the external sensor and has power off memory. 4、Simple Convenient Operation: Voice control, free hands through simple voice commands. 5、Features: Precise temperature control, temperature range ±0.5°C, more comfortable and at ease when using. Item Type: Smart Thermostat Product Size: Approx. 86 x 86mm / 3.4 x 3.4in Weight: Approx. 160g / 5.6oz Specifications 3A Connection Plumbing Wall Hung Boiler White 16A Electric Heater White Voltage AC230V 50/60Hz AC90-240V 50/60Hz Load Current 3A 16A Set Point Range 5~35°C Accuracy ±0.5°C Corresponding Specifications Connect Plumbing Wall Hung Boiler Underfloor Heating 1 x Smart Thermostat 2 x Screw Accessories 1 x English User Manual 1 x Connection Line