frient Smart Siren EU (Zigbee) Feel safe - with the frient Smart Siren (EU version) Imagine always having a friend to tell you when something is wrong at home. Someone who raises their voice and scares intruders away - all day long. Now it's getting loud! The siren can emit loud sounds to scare away intruders, burglars or in-laws. With a volume of 90 dBm, you can be sure that no one will miss the alarm. The Zigbee siren comes with a battery backup so you can be alerted when needed - even in the event of a power failure. As if that wasn't enough, the frient Smart Siren can also act as a signal booster for Zigbee, amplifying wireless communication between your other Zigbee devices. For example, if some of your devices have a weak signal because they are behind a brick wall. Secure home for your peace of mind The Smart Siren is a state-of-the-art device with siren, range extender and battery backup. The device offers advanced technology in a user-friendly design. The various functions of the Smart Siren make your home safer and your smart home stronger. So you never have to worry again. With a little help from your friends Do you like instruction manuals? Don't worry. The frient Smart Siren is easy to install and connects wirelessly to your devices. Features: