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video door phone  (CS-300SV-2 ) | | |
 Product Feature | Hand-free Indoor phone Technical Parameter
a) Working voltage: DC 18VAºô10%
b) Static current: a??35mA
c) Working current: a??500mA
d) Kinescope: 4" flat tube(black/white)
e) Color display: 4"color LCD display
Resolution: less than 450 points.
f) Environmental Temperature: -10 to +55 degrees
g) Humidity: 45% to 95% | | | |
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