Ajax Outdoor Wireless Security Siren "StreetSiren", White, 85-113dB, LED Frame//https://ajax.systems/products/streetsiren/Installation method: Indoors and outdoorsCompatibility: All Ajax hubs and radio signal range extendersType of notification: Acoustic and LEDAlarm volume: From 85 to 113 dB at a distance of 1 m Adjusted in the Ajax appAlarm duration: From 3 to 180 s Adjusted in the Ajax appIndication of arming mode: YesIndication of entry/exit delays: Yes With firmware version 3.50 and higherChimes: Yes With firmware version 3.73.1.0 and higherPower supply: Batteries 4 ? CR123A, 3 V Up to 5 years of battery lifeOperating temperature range: From -25°С to +50°СOperating humidity: Up to 95%Protection class: IP54