- Glowing alarm siren - For indoor and outdoor use - Adjustable volume: 85–113 dB - Delay and mode change indication - Door opening notification chime (door contact notifications) - IP54 housing protection rating - Optional power supply connection - Management and configuration via Ajax apps - Up to 5 years of battery operation - Up to 1,500 meters radio communication range with the hub - Dimensions: 200 × 200 × 51 mm - Weight: 528g