This high quality battery backup siren adds more security to your alarm system. The built in ni-cad rechargeable batteries make sure the siren still keeps sounding even if all the wires are cut or the cars battery is disconnected!

Main features:

• Loud 118dB Siren
• Compatible with most major car alarms and all Falcon alarms
• Keeps sounding even if all the wires are cut
• Includes override keys
• Dimensions: 72x72x65mm (HxWxD)