Key specs – Type: Split-spectrum optical; Battery type: 6 x AA lithium; Display: LED ring indicator; Alarm volume: 85dB; Connectivity: 802. If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag.

New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging .In the first, a tiny amount of a radioactive isotope (far too small to cause any harm) causes ionisation in the air within the smoke alarm. Even smoke alarms can be integrated into your smart home setup now, thanks to Fireangel Pro Connected smoke alarm. If it does go off inadvertently, the large, central test/mute button makes it easy to silence, saving your ears from a thrashing. Brilliant alarms no batteries to drive you mad at two in the morning,just simply mount them and let them do their thing.

Like the FireAngel ST-622Q below, it uses the firm’s Thermoptek sensor, giving it high sensitivity without excessive false alarms. It can give you early warning of a fire before it spreads, and the best chance of getting everyone safely out of the house. As a rule of thumb, it’s best to use optical alarms in living rooms, bedrooms or downstairs hallways where you either have a lot of upholstered furniture and soft furnishings or the alarm is likely to be set off by cooking fumes. The advantage with these is that they can warn you of a fire through an alarm or alert on your smartphone, and also, with some systems, trigger smart lighting to come on.They incorporate the latest technology to provid e the most reliable and efficient safety alarms for your home. Little touches such as this elevate the ST-622Q above your run-of-the-mill smoke alarms, making it one of the best options for most households.