Yale Indoor Siren Wireless siren Grey, White

Mobile operating systems supported: Android Alarm decibels: 85 dB Type: Wireless siren Wi-Fi: Yes Operating frequency: 868 MHz Product colour: Grey Maximum operating distance: 1000 m Active tampering alarm: Yes Number of alarm sounds: 100 Placement available: Indoor LED indicators: Yes Power source: Battery Number of batteries supported: 3 Battery life: 3 year(s) Battery type: CR123A Battery technology: Lithium Package height: 200 mm Depth: 30 mm Package weight: 240 g Height: 115 mm Width: 115 mm Package depth: 52 mm Package width: 146 mm Weight: 185 g Screws included: Yes Country of origin: China Quantity per pack: 1 pc(s)