Somfy Protect Outdoor SirenIn the event of a detection this outdoor siren emits a loud 112 dB noise and bright flash to warn neighbours and prevent break-ins before they occur.The outdoor siren completes the Home Alarm and One packages by offering an effective outdoor home alarm deviceFeatures . Built-in deterrent orange flash.Automatically shuts off after 3 minutes.For outdoor use on any surface (IP 43).Audible confirmation of arming and disarming.Auto-protection if moved or removed when system is activated.. .