Easy to install: DIY installation of the thermostat takes less than 30 minutes. A user manual is included, simply follow the installation guide . 95% High Compatibility: The thermostat is equipped with a C-wire adapter, which is also compatible with home heating systems with only 4 wires, if the customer' originally had a heat pump system with 5 wires, then there is no need to connect to this adapter, just connect directly to our heat pump panel.Note: Heat pump only for 24V power supply Remote Control: Easily control your thermostat wherever you are, as long as your phone has the "Smart Life" App. Energy Savings: Save more than 25% of your annual heating and cooling costs and view your energy savings in the Smart Living App to create a home. 24/7 Scheduling: Programmable thermostat customization routines that automatically adjust the temperature without manual changes. Smart Scene: 6 touch buttons to easily switch between modes, easy to operate. Family Sharing: "Join a Family" in the Smart Life App, family members can also easily view the current thermostat settings. Weather display: comes with outdoor weather conditions, easy to understand the real-time weather, the APP can also view the outdoor UV conditions and air quality, humidity, according to the outdoor weather to adjust the thermostat. Material: PC+ABS colour: as shown Package Contents: 1 x thermostat 1 x Labeling Sticker 4 x Screws 1 x C-wire Adapter 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.