Your Ring Alarm Kit comes with a lot of devices. Each device has a unique QR code and a 5-digit code on the back. When working in the app, you can use this code to identify the device your're working with. Welcome to your safer, smarter home. Ring Alarm easily expands to fit your needs, on your terms. Simply plug in the Ring Base Station, connect your components, get set up with your account in the Ring app and control your Ring Alarm all with the keypad or from the Ring app. Everything you need to get started is in the box. Get notifications when someone enters a room, opens a window or sets off the siren. Change your Alarm modes with a simple tap. On your way out but forgot to set your Alarm? Don't worry. With Ring, you can arm or disarm your Ring Alarm no matter where you are, from the free Ring app. You'll receive notifications when a contact sensor, motion detector or any part of your Alarm system is triggered. Alexa compatible. Google assistant compatible. Siri compatible. Compatible with Android and iOS operating systems. App needed for use: Yes. Operates over mobile internet. Operates over wi-fi. Requires wireless router for use. Motion detector. Suitable for indoor. Batteries required 4 x (included). Size H22.4, W14.6, D23.1cm. In the box: Base station, keypad, motion detector, contact sensor, range extender, instructions, tools. EAN: 842861106565.