Videocitofono 7 pollici HD IR campanello una telecamera con tre monitor (parte Us Plu
Feature: 1. If the old man has a bad hearing, he can make a loud voice and change the ringtone. Monitor size: 23.5 14.5 2 cm/9.3 5.7 0.8 in. 3 Monitor. Material: Aluminum alloy. 3 Power Cable.