. This Ring Alarm Keypad gives you full control of your home security setup. It's got easy-to-use numeric buttons for activating or turning off your whole system. And it can communicate clearly with your Ring Base Station up to a distance of 76 metres away since it has Z-Wave wireless technology that won't interfere with any Wi-Fi or Bluetooth devices. It's compatible with Amazon Alexa gadgets too letting you use voice commands when you're carrying the shopping in. Plus the handy mobile app lets you know instantly if the alarm goes off while you're away. Installation is a doddle since the wall bracket can be fixed to any flat surface and there's a back-up battery in case of a power cut.Please note to use the Ring Alarm Keypad you'll need to download the free Ring app which is compatible with all iOS and Android devices. You'll also need the Ring Alarm Base Station (sold separately). Key Features . Smart alarm keypad - easily control your alarm systemCompatible with Amazon AlexaUses Z-Wave wireless tech up to a distance of 76mDIY installation plus battery in case of a power cutInstant alerts let you know what\'s going on at home . Product Specifications . Dimensions (H)10.0 x (W)14.5 x (D)2.2 cmBridge Included No - Requires Ring Alarm Base StationInstallation DIYManufacturer Warranty 1 Year. .