Wireless Alert TP is a battery-powered temperature sensor that sends a warning email if a user-set level is reached. Simply select your temperature limits and connect to any Wi-Fi network using the Wireless Alert mobile app.

Power this device via its USB-C socket and set it up in the free FilesThruTheAir app. Configuration options include connection to a WiFi network, temperature limit selection and notification options. You can also set up scheduled email summary reports to include minimum, maximum and average temperature, power status, number of alerts and total time spent in an alert. A quick look at the FilesThruTheAir app dashboard will show the alert status and last reported readings of any device connected to your account. 

The EL-SMS-2G-TP is a battery powered temperature alert that will send SMS (Short Message Service) notification messages to pre-programmed mobile phone numbers whenever the temperature it is monitoring exceeds an upper or lower temperature limit.