Tag: HS-500

How to use a Freeze Alarm without a phone line.

Everyone wants to protect their home, vacation home, rental property etc. but maintaining a permanent land line connection at the property can be costly. Surely there’s a better way, especially when you really only need to monitor the property in the winter months? There is! Introducing the MARCELL Freeze Alarm, a completely stand alone cellular

Introducing the HomeSitter TEC Cellular Freeze Alarm

The HS-500 HomeSitter TEC is a cellular freeze and humidity alarm, perfect for locations without phone lines. The HS-500 connects through the cell network back to the TEC online cloud where users have a free account. Within the online account users easily select their high and low temperature and humidity thresholds plus provide their alarm