Indoor Wireless siren Maximum operating distance: 1000 m Alarm decibels: 100 dB Power source: Battery Lithium CR123A Blue Features LED indicators Yes Mobile operating systems supported Android, iOS Product colour Blue Alarm decibels 100 dB Maximum operating distance 1000 m Placement available Indoor Type Wireless siren Power Battery life 3 year(s) Number of batteries supported 3 Battery type CR123A Battery technology Lithium Power source Battery Weight & dimensions Height 115 mm Width 115 mm Depth 30 mm Weight 185 g Packaging content Screws included Yes Logistics data Quantity per pack 1 pc(s)