Ajax Wireless Security Glass Breaking Detector "GlassProtect", White//https://ajax.systems/products/glassprotect/Installation method: IndoorsCompatibility: Operates with all Ajax hubs, range extenders, ocBridge Plus, uartBridgeSensing element: Electret microphoneBreak detection distance: Up to 9 mAlarm signal delivery time: 0.15 sSensitivity: Adjustable, 3 levelsDetection angle: 180°Power supply: Battery: CR123A battery, 3 VBattery life: Up to 7 yearsTemperature sensor: AvailableOperating temperature range: From -10°С to +40°СPermissible humidity: Up to 75%