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Use of wireless video doorbell
2012-08-28 14:48:18
Wireless video doorbell is simple to install, without the need for cumbersome wiring work, reduce the cost of installation. The wireless doorbell is the 2.4G transmission, in the case of more than the three-storey building, the signal difficult to penetrate transmission, which is a wireless visual doorbell technical shortcomings. Until now, video doorbell and applies only to the following three-tier and three-tier architecture.    Wireless video doorbell of Dongguan HongZhao Electronics production, effective in the open field 400 meters away from the need to be able to meet such a situation. Users outside this range, it is recommended to use a traditional wired doorbell.
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