Smart WiFi Function The free Tuya app turns your smartphone into a remote control and allows you to easily control your underfloor heating system from anywhere in the world Built-in WiFi Thermostat 230V works with Google Assistant, Amazon Alexa, Apple Siri and IFTT via free Tuya App The thermostatic switch can be set to a range of 5-45 , ambient sensor and remote sensor, NTC 10K Other smart functions include anti-freeze, absence adjustment, which increases comfort while reducing power consumption Ideal Use The wall mounted thermostat is designed for electric heating, surface heating, electric underfloor heating, water-based floor heating Features: Mobile phone control. Absence Mode With the app, you can control the number of thermostats from many places from your choice. Technical data: Mounting type: flush-mounted. Wired Operating voltage: 220-240V Max. Switching power: 16 A / 3680 W Operating temperature: +5°C to +30°C. Probe: internal and external, NTC 10K Temperature adjustment range (internal): 5-35 °C (space probe). Temperature adjustment range (external): 5-45 °C (ground probe). Frost protection: Yes, 5-9 °C. Soil limitation range: 20-95 °C. Screen/Lighting: Yes IP protection class: Class II. Cable length: 2.5 m Dimensions: 86 x 86 x 13 mm Package includes: TH213 WiFi Thermostat Instructions in German. Soil probe. Taste meets requirements. Exclusive design and maximum functionality. The WiFi thermostat ensures the desired heat at all times.