A photoelectric, 240v (hard-wired) smoke alarm with a 9v battery backup. Interconnectable with up to 40 Red smoke alarms and includes a test/hush button and visual indicators. Can be wirelessly interconnected with the addition of the Red RF wireless base. The R240B smoke alarm is approved and certified to meet AS3786:2014 and is fully compliant to meet the Queensland 2022 smoke alarm legislation. When the Red RFB wireless base is used with this alarm, the Red Smoke Alarm Controller can connect wirelessly to this smoke alarm. This product must be installed by a licensed electrician. Download Data Sheet Features Interconnected Battery Back up Hush function Self-test Button for test/hush function 240 Volt Battery Back up SPECS Detection Method: PhotoelectricPower: 240VBackup: 9V Battery, 1-year lifeAlarm sound: 85 dB at 3m minimumLow battery indication: Visual LED (red) for warning & low batteryOperating Distance: N/A indoor use line of sight; 140m free fieldTemperature: 0 – 45CHumidity: 5 – 95%Size: 140mm x 55mmMaximum number of devices: 40 pieces for wired alarmWarranty: N/ACompliance: AS 3786: 2014/amdt 2:2018