Tech-security Electrony Co., Ltd

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1. Newest wireless door bell for office ,home, small business

main advantage:
digital door bell
perfect two way audio
AFH technology,stable
super anti-jamming capability
cmmunication distance >300m
Introduction

1. This intercom system is our own patent.

2. It works like the office ...

2. world smarthome solution-wireless video door phone

Function Feature:
1) Transmission distance: 300m (free lane)
2)World Public Frequency 2.4G data Voice, image transmission
3)Full-duplex hands-free call, clear audio and video.
4)Visiting key wake up call, standby power-saving sleep
5)Unlock ...

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