Door station/video parameters
camera
1/4" cmos
resolution
720 × 576
video frame rate
pal: 25 fps
door station/audio parameters
audio input
built-in omnidirectional microphone
audio output
built-in loudspeaker
audio quality
noise suppression and echo cancellation
door station/light supplement
light supplement mode
photosensitive ir supplement, ir range: 2 meters
door station/device interfaces
four-wire interface
1 four-wire interface (1-ch video input, 1-ch audio input/output, 1-ch power supply, 1-ch grounding)
io output
1 relay output
door station/general
material
zinc alloy
power consumption
max. 5w
working temperature
-30° c to +70° c (-22° f to 158° f)
working humidity
10% to 90%
dimension (l x w x h)
145 mm × 49.2 mm × 26.45 mm (5.7" × 1.9" × 1.0")
indoor station/display parameters
display screen
7-inch colorful tft lcd
display resol