Welcome to our Website! Here you will find garage door openers, garage door parts and access control systems for all major brands - low price guarantee. We also carry a full line of garage door accessories, such as keypads, receivers, transmitters, remotes, and replacement parts. Product DescriptionDetects conventional alarm sounds from existing security systems to activate transmission of a signal to the control panel (SC-001) or emergency dialer unit (AD-433), which then activates the system. Can stand alone, or can be used in conjunction with the Skylink security system. Can be connected with other security systems using a N/C connector. Support :
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