Feature: 1. The WF-TP02B is an independent temperature and humidity control solution. 2. One of the most compact and best-value GSM temperature and humidity control solutions on the market, the WF-TP02B series is perfect for a wide range of applications where the user needs updated temperature and humidity information or alerts. 3. It can be placed anywhere with a GSM signal and monitors and records the temperature of its sensor, connected via a cable, available in 9.8ft length. Keep in mind that regular sensors are not suitable for immersion in liquids. 4. The WF-TP02 series temperature monitoring unit can be configured both through a PC with a simple for windows application, or via SMS text message commands to change the different settings; for example, to change the maximum and minimum temperature limit, or request the current temperature and the WF-TP series will return the current temperature data. 5. Unlimited range of wireless temperature monitoring using the GSM module with GSM frequency of 850/900/1800/1900 MHz. 6. The relay outputs to control most automation systems (no volts). 7. Easy operation with 20 numbers on monitor and remote control. 8. Mains supply with DC12v power adapter. It works with mobile phones and land lines. 9. The temperature range reaches -40-120℃ temperature detection range, 0.5℃ temperature detection accuracy. 10. Two relay outputs and two alarm input ports, two relay outputs can be remotely controlled via SMS commands. 11. Two-way alarm input, after the trigger will send a text message alarm, the data log can be sent to the default email address. 12. Temperature alarm with SMS, up to 6 alarm numbers. Specification: Condition: 100% Brand New Item Type: Temperature Alarm Controller Material: ABS Plastic Color: As Pictures Shown Detection Temperature Range: -40- 120°C GSM Frequency: 850/900/1800/1900Mhz Antenna: 50Ohm SMA Antenna Interface Humidity Range: 0-100％RH Size: Approx. 153 x 66 x 28mm / 6.02 x 2.6 x 1.1in. Package List: 1 x GSM Temperature Alarm Controller1 x Connection Long Antenna1 x Connection Short Antenna1 x Temperature Sensor1 x USB Cable1 x Power Supply1 x USB Programmer