Features: Smart and Programmable: This heat pump thermostat is equipped with advanced technology, allowing you to easily program and control the temperature settings of your heating or cooling system. It offers convenience and flexibility in managing your home's climate. (WiFi Mode) With its WiFi capability, you can easily control and monitor the temperature remotely through the Tuya APP on your smartphone. Digital Control Panel: The smart thermostat Features a user-friendly digital control panel that allows you to easily adjust the temperature and settings. With just a few taps, you can set the desired temperature and enjoy a comfortable living environment. Child Lock Function: Safety is always a priority, especially when it comes to home appliances. This programmable thermostat comes with a built-in child lock function, ensuring that your little ones won't accidentally change the temperature or settings. Adjustable Brightness: The digital thermostat's display brightness can be adjusted according to your preference. Whether you prefer a brighter display during the day or a dimmer one at night, this thermostat allows you to customize the brightness to suit your needs. Compatible with 24V Systems: This thermostat is designed to work with 24V heating and cooling systems, making it compatible with a wide range of HVAC systems. It provides reliable and accurate temperature control for your home or office. Voice Control: Compatible with Amazon Alexa and Google Home, this Thermostat offers the convenience of voice control. Simply use your voice commands to adjust the temperature, making it even easier to create a comfortable living environment. (WiFi Mode) Specification: Product material: PC + ABS (fireproof) Product size: 140 x 90mm / 5.51 x 3.54in Power supply: 24VDC/AC +10% Current load: 1A(inductive), 3A(resistance) Sensor: NTC3950, 10K Set temperature range: 41-95F(5-35C) Accuracy: 1F(0.5C) Display temperature range: 41-95F(5-35C) Ambient temperature: 32-113F(0-45C) Ambient humidity: 5-95%RH(non condensing) Storage temperature: 23-113F(-5 - 45C) Timing error: 1% Power consumption: 1.5W Available installation: Wall mounted Wire terminals: Wire 2x1.5mm2 or 1x2.5mm2 conservation class: IP20 Type: WiFi, NO WiFi (Optional) Packing List: 1 x Thermostat 1 x QC Passed 1set x Screws 1 x Marking Tape 1 x Power Module 1 x User Guide