Listing ID#10024119
ModelVT691DM/C7
CategoryMachinery
Quick answer
video door phone is a Machinery product. Key specs — Origin: China (Mainland).
Product Description
7 inch Color TFT Monitor Brightness and volume can be adjusted with OSD menu 120 pcs built-in color picture memory(optional) Up to 5 monitors connected directly 2 door stations connected directly(buil-in 2way board for VT691D) Up to 4 outdoor stations(including CCTV Camera) via MDS switcher 15 chord melodies for choosing
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