T20 WIFI Switch Thermostat temperature controller, GSM SMS Thermostat

Once Temperature is High, T20 will Swicth ON the Airconditioner

Once Temperature is Low, T20 will Swicth OFF the Airconditioner

What'APP: +86-13420971345 Skype: glare.wang

SPECIFICATIONS

Power supply: DC12V/1.5A
Inside temperature measure rang: -40°C ~ +125°C, accuracy±0.3°C
Inside humidity measure rang: 0~100%RH, accuracy±2%
External temperature probe measure rang: -55°C ~ +125°C
GSM quad-band, applicable worldwide, 3G optional
Working temperature: -40℃~+70℃
Relative humidity: 10-90%, No condensation
Exterior dimension: 130×130×19mm
All-aluminum panel

2 wired inputs for alarm, configurable alarm/recover SMS
3 relay outputs (DC220V 2A / AC125V 2A)
Power failure/recover alarm
Built-in lithium-ion battery (500mAh/3.7V) which can last 6 hours
Alert buzzer and light
Adopted highly integrated industrial ARM MCU
Reliable performance with built-in double watchdog
User programmable PC suite
Low maintenance, 24×7 operation

WIFI Access

View Temperature Humidity data on APP

Control relay on APP

Realtime logging Temperature Humidity data

Thermostat

3 relay outputs

inside timer to program relay output

Data Logger

Inside temperature and humidity sensor

4000pcs temperature records

PC software program

SMS Operation

Preset 10 authorized phone numbers

SMS alarm

Control relay via SMS

Check current temperature via SMS

GPRS Communication

TCP/IP connect 4 internet servers

Http:post, CWT I/O protocol, Modbus TCP

Realtime data logger

Function Specification

Program Software Screenshot- Adding WIFI Address:

Program Software Screenshot-Adding High/Low Temperature Range:

Program Software Screenshot-Adding Basic Parameters: