Yale AC PBX Powered External Siren Sync Alarm Accessory Mains Powered, 104 dB Siren, Tamper Alarm, 200m range

SYNC ALARM ACCESSORY: The Yale Powered External Siren is the ideal visual deterrent for arming your home and improving your home security for enhanced peace of mind AUDIBLE AND VISUAL DETERRENT: This siren acts as an obvious visual deterrent on the outside of your home to show it is protected as well as a very loud 104dB siren. POWERED WITH 12V POWER SUPPLY: No need to change batteries, although it does come with a built-in backup battery in case of a power failure. EASY TO SET UP & INSTALL: Link to your Yale Sync Smart Home Alarm straight out of the box. Comes with a 175cm cable with a plug (drill through exterior wall and plug in within the house). EXPANDABLE SYSTEM: Extend & customise your Yale Sync Alarm, by adding up to 40 accessories., Weight: 3.41496043838 pounds, Manufacturer: Yale