AT2009
Dimension of unit:  410(L)*80(W)*420(H)mm Net weight of unit:  400g  Operating current:  < 50mA ;Operation frequency: low Operating temperature:  -5 ℃ to +55 ℃ Power:  9V (6F22) alkaline battery ,operate voltage 7V-9V  Alarm:  video LED & audio/ vide...