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GSM Temperature Alarm Relay, GSM Humidity Alarm Relay Remote  Power Status Monitoring Relay  For Vegetable Greenhouse For Household

<ul><li>The GSM SMS environmental alarm is specially  to remotely  the temperature, humidity and power status of the site through the  GSM </li><li>When the temperature, humidity, and power status exceed the high or low threshold, it will immediately send SMS reminders or call 6 preset mobile phones</li><li>When temperature, humidity, power alarm is normal, it can be connected to the Realy1 output operation. It is very useful when the temperature exceeds the specified value and the air conditioner needs to be turned on immediately or the dryer needs to be turned on due to water overflow</li></ul>

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<br/><b>Specification:</b><br/>Item Type: GSM Temperature Alarm Relay<br>Material: ABS<br>Use: Suitable for vegetable greenhouses, household temperature and humidity detection and power monitoring<br>Rated Voltage: DC 9V-24V / 1A<br>Working Temperature: -10 degrees Celsius -+60 degrees Celsius <br>Storage Temperature: -20 degrees Celsius -+60 degrees Celsius <br>Relative Humidity: 10-90%, Non-Condensing<br>Working Frequency: GSM: 850/900/1800/1900MHz<br> Protocol: GSM PHASE 2/2 + Including Data Service<br>Relevant Voltage of Output Relay: 3A / 240V AC<br>SIM Card: Nano 3V<br>Antenna: 50 Ohm SMA<br>Wired Switch: Support<br>Temperature and Humidity Sensor:<br>Temperature: -40-80°C, Accuracy: 0.5°C<br>Humidity: 0-99RH%, Accuracy: 3%<br>Siren Output: Output Voltage = DC Input Voltage, Current: &lt;1A <br/><br/><b>Package List:</b><br/>1 x  GSM Temperature Alarm Relay<div>1 x Temperature and Humidity Probe</div><div>6 x Connection Terminal</div><div>1 x Antenna</div><div>1 x Manual</div> <br/>

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