B/W door phone for villa (BOYA-0516B)

Specifications for indoor unit:
Model No.: Boya-0516B-M
a) CRT 4 inch flat tube
Resolution: 420 lines.
b) Power source: AC 110~240V
c) Power consumption: less 10W
d) Operating Temperature: -15 ~ +50
e) Humidity: 45% to 95%
f) Dimension: 225x190x62 mm
g) Weight: 1.75kg
h) Installation: Wall mount.
i) Wiring: 4 wires
Specifications for outdoor unit:
Model No.: Boya-0516B-C
a) Material: iron die-casting.
b) Power source:DC12V(power from monitor)
c) Camera: 1/3 inch CCD/CMOS
View angel: 53
d) Min. luminance =0.1 Lux
e) Power consumption: less 2W
f) Operating Temperature: -15 ~ +50
g) Humidity: 45% to 95%
h) Dimension: 160x70x26 mm
i) Weight: 0.90kg
j) Installation: Wall mount.
k) Wiring: 4 wires.