Abus tvac80000a digital hd door viewhole abus tvac80000a p the abus tvac80000a digital hd door viewhole has been designed for conveniently monitoring your front door with its 6 1cm 2 4 colour display you can keep everything in view even from a distance p p the monitor is activated by pressing a button allowing you to see who is standing outside your front door this system is much safer than using the peephole as you can see with both eyes and at a comfortable distance from the d