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15
2019-04
What is sound and light alarm ?
What is sound and light alarm ? Sound and light alarm ( Audible and visual alarm ) is an alarm sign...
15
2019-04
Home Automation develop
Home automation refers to the use of microelectronics technology to integrate or control the home of...
9
2019-04
The history of Saful video door phone
Video door phone intercom system ( video intercom, doorphone, doorbell), is a stand-alone system use...
9
2019-04
Saful 2014 New wireless video door phone with High-strength tempering glass,abrasion resistant, unlock, recording
Top Saful Electronic Tech Co., Ltd. is a Chinese leading supplier of security products. It focused o...
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