Comparison

FACE RECOGNITION INTERCOM (VDP-DH-HAC-VTO7541G)
8 inch capacitive touch screen
Remote/ Password/ Face/ Fingerprint/ Card
2MP CMOS
Wired Doorbell – HAC9210
H.264
1/2.9'' 2MP
1.9mm
7″ TFT TOUCH SCREEN SIP2.0 WI-FI INDOOR MONITOR (VDP-DH-HAC9522-DBDW-C-SIP2.0)
Embedded Micro Processor
Embedded LINUX OS
H.264
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