When [Adam] started looking at commercial freezer alarms, he found that most of them are a joke. A bunch are battery-powered, and many people complain that they’re too quiet to do any good.

Leaving your freezer door open accidentally is a great ... and if the door remains open for two consecutive checks, it raises the alarm. A notification is sent to [Guy] via WiFi so that he can ...

Monitors from Insight connect to freezers in the shared ULT freezer program. Labs that share the ULT freezers must provide at least two people to contact in case a shared freezer’s alarm goes off. The ...