Yale AL-ESY-1A-Y siren Wireless siren Indoor Blue

Mobile operating systems supported: iOS | Height: 115 mm | Depth: 30 mm | Screws included: Yes | Mobile operating systems supported: Android | Battery technology: Lithium | Package height: 270 mm | Alarm decibels: 100 dB | Weight: 185 g | Package width: 270 mm | Battery life: 3 year(s) | Number of batteries supported: 3 | Type: Wireless siren | LED indicators: Yes | Battery type: CR123A | Country of origin: China | Package depth: 74 mm | Power source: Battery | Width: 115 mm | Maximum operating distance: 1000 m | Placement available: Indoor | Quantity per pack: 1 pc(s) | Product colour: Blue