Wiring Diagram :

Features:
1.Wide Applications: Suitable for electric heating radiators, electric cooling, and temperature control system. It can be used in smart homes, shopping malls, and industrial places.
2.Various Advanced Options Settings: There are 4 modes to choose from according to your needs - Manual/Programming/Temporary Manual/Holiday Mode.
3.WiFi Connect &APP Control: Support control and adjust the temperature setting program in your mobile device, please download the APP(Smartlife) first via the APP store (iOS) or Google Play (Android). 
4.With a simple and clean UI, which is also easy for a novice to operate. 

Specification:

Power Supply: 95 ~240 VAC, 50~60Hz

Current Load: 5A (Water Heating/Water/Gas Boiler ),6A (Electric Heating)

Sensor: NTC3950, 10K

Accuracy: +0.5°C

Set Temp. Range: 5-35°C

Room Temp. Range: 5-99°C

Display Temp. Range:5 ~ 99°C

Ambient Temp.: 0~ 45°C

Ambient Humidity: 5 ~ 95 % RH (Non Condensing)

Storage Temp.:-5~ 45°C

Power Consumption: <1. 5W

Timing Error:< 1%

Shell Matrial: PC +ABS ( Fireproof)

Installation Box: 86 * 86mm Square or European 60mm Round Box

Protection Class: IP20

Becasmart BHT2002 Heating Thermostat Smart Wifi Programmable Wireless Nest HVAC Heat Termostato Wifi for Office Household Home office