Features: Elegant appearance, anti-scratch. Large LCD display with back light, easy to read. for Smart thermostat that can be controlled by your phone. Internal sensor floor sensor, ambient temperature and the floor's temperature. Automatically obtain the temperature, 0.5°C accuracy. Keypad locking function is designed to prevent children from operating by mistake. Data memory when power is off. Suitable for electric heating/water boiler/water heating.Perfect for home, office, shopping mall, hotel, etc. Specifications: Power: 90-240Vac 50/60Hz Display accuracy:：0.5°C Contact capacity:：3A/(WW);16A/(WE) Limit temperature range:：1~70°C Range of temperature adjustment:：5~35°C Range of temperature display:1~70°C Insulating condition: Normal environment Running program: Set per 1 week as a cycle Output: Switch relay Installation: recessed type (in the wall) Size:Approx.86x86x15mm/3.39''x3.39''x0.59'' Package Includes: 1x WiFi for Smart Thermostat note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.