This intelligent thermostat, with -50°C~110°C temperature range, can control heating or cooling accurately. Users can set the temperature to start or stop freely. It can be used in a wide application, such as farming, raising pets, agriculture, industry, etc.

Features:
Adopts high precision high-speed microprocessor, accurate and intelligent to control.
The temperature range is -50°C~110°C.
Set the start and stop temperature freely by yourself.
Automatically switch to refrigeration or heating mode according to the temperature.
Temperature calibration mode with setting range of -9°C to 9°C.
LCD display for clear viewing.
With indicator for working state, memory function after power off.
DIY transparent case and display protecting film can protect the module board effectively.
Suitable for wide applications, such as farming, raising pets, ventilation, heat dissipation, agriculture and industry, etc.

Indicator State Instruction:
Indicator: OFF indicates the equipment stops working; ON indicates the equipment starts to work.
The indicator light will be blinking frequently and buzzer alarm when the measured temperature is greater than 110°C or measured temperature is less than -50°C.

Specifications:
Input Power: DC 12V / AC 110-220V(Optional)
Temperature Range: -50°C~110°C
Temperature Resolution: 0.1°C
Measurement Accuracy: (+/-)0.1°C
Control Precision: 0.1°C
Refresh Rate: 0.8s
Measuring Input: DS18B20 Waterproof Type Sensor
Output: Relay 10A
Power Dissipation: Static Current≤20mA, Attraction Current: ≤50mA
Display: LCD
Environment Requirement: -10~60°C, Humidity: 20%~85%
Product Size: Approx. 144 * 99 * 44mm / 5.67 * 3.9 * 1.7in
Weight: 144-153g / 5.08-5.4oz
Package Size: 11 * 10 * 3cm / 4.33 * 3.94 * 1.2in
Package Weight: 162~170g / 5.72~6oz

Package List:
1 * Intelligent Thermostat DIY Kit

English User Manual:
DC 12V: https://www.dropbox.com/s/2v4eo292gy61ntr/E1874-1%20User%20Manual.docx?dl=0
AC 110-220V: https://www.dropbox.com/s/1hfy73bssgpolaq/E1874-2%20User%20Manual.docx?dl=0