Ajax Wireless Security Fire Detector "FireProtect Plus", Black, CO Sensor

// https://ajax.systems/products/fireprotectplus/ Installation method:Indoors Compatibility: Operates independently or with all Ajax hubs, range extenders, ocBridge Plus, uartBridge Sensing element: Photoelectric, CO and temperature sensors Activation threshold: +59°С ±2°С Type of notification: Sound/light Volume of built-in siren: 85 dB Alarm signal delivery time: 0.15 s False alarm filter: + Interconnected alarms: + Power supply: Battery: Two CR2 batteries, 3 V Backup power supply: battery CR