What's in the box:

Wifi Programmable Thermostat with 4in Touchscreen Compatible with Alexa Google Home Stages Up to 3H/2C 2H/1C Heat Pump With Humidifier/Dehumidifier Control (Standard)

Features:
Strong Compatibility --- Multistage system,Save an average of 23% on heating and cooling costs. 3 Heat/2 Cool, 2 Heat/1 Cool Heat Pump 3 System In 1 Unit; Compatible with Aux Heat, Ventilator, Electric Furnace, Gas Furnace, Air Conditioner and Boiler.
Voice & App Control --- The smart thermostat work with amazon alexa and google assistant, hand-free voice control, free your hands to do other work. Also with free mobile app reomote control, no limited by distance and time.
7-Day Programmable --- Optional 7 day programming and non-programmable, flexible settings via full 7-Days/4-Periods Setting on device, programmable smart temperature control, help you save up to 23% annually on heating and cooling costs.
4in LCD Display with Backlight --- Large digital touchscreen with backlight easy to read under any lighting conditions. Gentle black outlook great fit all kinds of home decoration.
Easy Installation with Child Lock --- Pluggable Module design, plug-pull type, easy installation, great for self install. C-wire needed for proper installation. With child lock, prevent mishandling.

Specification:
Color: Black
Unit: ?/?
Touch screen size: 4in
Power source: 18-30VAC 50/60Hz
IP rating: IP21
Temperature setting range: 41?-95?
Temperature setting accuracy: 1 ?
Temperature display range: 32?-122?
Temperature accuracy: 0.1?
Operation temperature range: 32?-122?
Storage temperature: 14?-140?
Output: Fan relay load max 24V 0.5A
Compressor/Valve relay load max 24V 0.5A
Compatibility: 3H/2C, Heat Pump, Aux Heat,Humidifier, Dehumidifier, Ventilator.
Compatible with: work with alexa and google assistant
Item size: 135 * 92 * 17.5mm/ 5.3 * 3.6 * 0.7in

Packing List:
1 * Smart Thermostat
1 * User Manual
1 * Bag Mounting Screws
1 * Wire Sticker