Product Details :
 
Ring Video Doorbell 4 features enhanced wifi, a quick-release battery for easy recharging, Colour Pre-Roll video previews of all motion events, HD Video, Two-Way Talk, Night Vision and Advanced Motion Detection with Customisable Motion Zones.
HD Video and Live View let you see what's happening at home
Colour Pre-Roll video previews to get the whole picture. 
Speak to visitors to your door, from wherever you are with Two-Way Talk
Advanced motion settings for real-time notifications on your phone or tablet
Powered by a rechargeable removable battery
Simple DIY installation
Chime PRO
Enjoy three in one: flexibility, reliability and convenience. Hear notifications in your home and extend your WiFi signal to boost the network for your Ring Doorbells and Cameras. With dual band connectivity (2.4 & 5GHz), you’ll never miss a moment.
Extends Coverage for Compatible Ring Devices
Many classic & Seasonal Tones
Dual Band 2.4 GHz & 5 GHz Connectivity
Built-In Nightlight
Adjustable Volume
Do Not Disturb Mode
Complete control from the Ring app:
Connect to all your Ring devices to see what’s happening at home from anywhere and control everything from the Ring app.
Receive instant notifications on your phone or tablet, whether you’re on the sofa, at the gym or in the office.
See, hear and speak to whoever’s at your front door with real-time video and audio.
Comes with 1 month free Ring Protect subscription. Simply download the Ring app to register your product to receive this.
For further information on the Ring Protect subscription and options available please visit the Ring website here.
 
Features :
- 1080p Video Quality
- 160 degree field of view
- Advance Motion Detection
- Includes 3-second pre-roll to capture what happened before the event