Exterior review - Door camera kit with monitor consists of wireless door camera (left), home unit (center), monitor (right). There is also "Door camera with monitor VS - HC400" which does not include ...

The patented DAC-55 door monitor is a functionally integrated device for monitoring doors on walk-in coolers and freezers. Using magnetic contacts to sense door status, the monitor combines a ...

Notion packs a lot of functionality into an unobtrusive sensor — you can use it as a door monitor, a temperature sensor, a leak detector, or ask it to listen for smoke alarms. You can easily assign ...