433MHz Wireless Transmission Module Siren Launch Suitable All The Alarm System

Description

433MHz Wireless Transmission Module Wireless Siren Suitable All The Alarm System
Description
433MHz Wireless Launch Module Only For Our Wireless Siren
Because wired siren is not convenient to install, and put too many cable is not beautiful in your house. If you want install a wireless siren for your alarm host, but your alarm host have no built-in wireless transmission module, in another word, if your alarm host does not support wireless siren function,  this wireless module will help you !!!
If your alarm host have wired siren connection hole, please insert it directly.
If your alarm host have wired siren connector (like below photo)
,
please cut the cable and connect the cable to the connector.  The white cable is "+", and the black cable is "-".
This wireless trouble siren compatible the wireless siren in my store, you can match them like this way,
Package Includes:
1 x  433MHz Wireless Transmission Module
(12V 23A Battery not include)