... widely used in house, office, small super market etc. Name: 2-ch Motion dection DVR for Car, house,shop, factory, supuer marketModelDV300 ... Motion Detect DVR being widely used in house, office, small super market etc.Function1. Two channel video & auido input, auto-switch ... .3kg/ctn.(G.W.); 2-ch Motion detection DVR for Car, house,shop, factory, super market