Dahua VTH1500B-S - Appendix 1 Technical Specifications; Device Specifications

Appendix 1 Technical Specifications
Video
Video
CVBS composite video
Audio
Bidirectional Talk
1-ch audio input from analog signal of microphone
1-ch audio output which drives loudspeaker via amplifier
Display
Screen Dimension
Color 7” TFT LCD
Resolution
800*480
Alarm
Input
Some: 6-ch alarm input, 1-ch alarm output.
Some: 8-ch alarm
Output
Specifications
Power
DC 24V
Consumption
Standby 1W，max 5W
Environment
-10℃~55℃