Security Alarm Display System
2014年12月18日星期四
Wireless intelligent infrared door bell
Wireless intelligent infrared door bell
(holderprotection.com
)
(SKYPE:KENSMITH1001)
Product Features
1. Light sensitive Electronic guest-saluting doorbell.
2. Light control distance is 4-8 meters.
3. Suitable for dwelling house, shop, offices, factory and so on.
4. Simple operation, easy to install.
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