Bosch Smart Home Outdoor Siren, Wireless Alarm System, Warns By 3-Fold Alarm Audible, Visible and Via Push Notification White

Wireless outdoor siren with solar panels for 230 V or 5-28 V
it is easy to spot on your exterior walls, which deters potential burglars
visual alarm with flashing red leds, strobe light visible at an angle of up to 180 degrees
acoustic alarm available with sirens including 3 individually adjustable volume levels (max. 100 dB)
In case of a break-in, the outdoor siren triggers an acoustic alarm via the sirens, flashing red leds, and push notification
You need a Bosch Smart Home controller to integrate the device into your Bosch Smart Home system
The wireless range of the controller can be extended using the smart plug compact