Wisualarm Interlinked Smoke Alarm New Generation

Typically, the order processing time is 1-3 business days, and the shipping time is 1-5 business days, depending on your destination. We ship from our warehouses in Germany and the UK.

To know why the smoke alarm beeps, let's get to know when it alarms. The smoke alarm usually alarms for these 3 situations: when there is a smoke, and it alarms when the smoke level reaches the value; secondly it might be a fault alarm when there is a bug or some dust wents in; thirdly it will also alarms when it's low battery warning. So how can we get to know why it alarms? You can also judge by the LED indicator that tells you the real reason. When the Green indicator flashes once perminute it means it's standby. When the Red indicator flashes once per second it means it has detected the smoke and alarming. When the Red indicator flashes once per minute means the smoke alarm is in fault. When the Red indicator flashesonce per minute that means the smoke alarm is already Low battery. You need to change it.

For home use, when the height of the space is less than 8m (3.28 ft), the protection area of a device is20 m2–40 m2. So you can judge how many smoke alarms according to how many bedrooms and the area for your home.

The smoke alarm uses photoelectric smoke sensor for responding quicker to smouldering fires and the dense smoke given off by foam filled furnishings or over heated PVC.

First of all, the technology and batteries used in the two smoke detectors are the same. The only difference is the connection method. SA30-R8 cannot currently connect to the gateway, while SA40A-R8 can connect to the gateway and be used on the mobile app.