Whether you want to add an additional alarm or replace an old/expired alarm, the live siren is suitable for EF and SR alarm ranges. Add this device to your existing EF or SR Yale alarm system to deter would be intruders. Boasting a 100dB siren, you and your neighbours will easily be able to tell something is wrong and the potential intruder will be met with a loud noise and the lights on the alarm will flashing offering a visual deterrent too. Sync the spare alarm siren seamlessly into your existing system following the “add devices” procedure situated in the system instruction manual.
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