Nest Protect has been redesigned from the inside out. It has an industrialgrade smoke sensor, can be silenced from your phone, tests itself automatically and lasts for up to 10 years. It also tells you what's wrong and can even alert your phone. Nest looks for both fast- and slow-burning fires - the split-spectrum sensor uses two wavelengths of light to detect smoke. Nest protect is the first alarm you can silence from your phone. It tells you if there's smoke or carbon monoxide. It tests itself, so you don't have to - nest checks itself over 400 times a day and lets you know if something's up. Nest protect has its long life sensors that keep you safe and sound for up to 10 years. Hush button operation. Test button operation. AA (included) . Size H13.5, W13.5, D3.9cm. Weight 0.79kg. Manufacturer's 2 year guarantee.

EAN: 854448003778.