Qolsys IQ Panel 4 319.5MHz in White Verizon LTE 10-1 PowerG Kit Compatible Freeze Sensors

Qolsys IQ Temp
Temperature sensor for low (<40) and high (>100) temperature detection for IQ and IQ Panel 2

Interlogix SDX-135Z
Wireless Interconnected Photoelectric Smoke Detector with Heat and Freeze