Brief Introduction - Doss DHF42PC Installation And Operation Manual

1. Brief introduction

Thanks for using our products, the four wire system video
doorphone is a luxury used to unitary flat for safety. It used advanced
technology and newest chipset, which improves the stability of the
system and far distance. The system has the function such as:
hand-free surveillance, visible phone, lock control, infrared vigil,
auto turn off, and so on. The system has multi tie-in function such as
one camera to one monitor, one to two, two to one, two to two and
one to three. Which satisfied by customer s require for different villa.
The products is faddish, goodliness, generous, thinner and
hanging on the wall, portable, take less place, which as a adornment.
The function is dependable and easy to use, it is the perfect family
burglarproof facility and widely used in unitary flat, villa, office and
public building, which is the best present for your friend.
For the sake of your safety, please use series burglarproof facility!
It will make your life safe and easy!
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