Model No - Commax DPV-4NA
Commax B/W Monitor-DPV-4NA
DPV 4NA- Connectable up to 5 monitors and 3 cameras.
- Monitoring button
- Door release button
- Recording time : up to 20 seconds for voice message
- 4" B/W flat CRT
- Dimensions : 213(W)x220(H)x57(D)mm