B&H PhotoVideo offers Ring Home Builder Kit for $149.98 (orig. $419.98) with free shipping.

Product Description:

Keep your home safe and secure with the Home Builder Kit from Ring. This kit includes the Video Doorbell Pro, Alarm Pro Base Station, Alarm Keypad, Alarm Motion Detector, three Alarm Window, and Door Contact Sensors as well as Alarm Smoke and CO Listener for a home security and alarm solution.
Functioning as the brain of the system, the base station features a built-in eero Wi-Fi 6 router to connect all the devices (doorbells, sensors, cameras, etc.) to work together seamlessly, while the keypad enables you to arm and disarm the system.
The dual-band Wi-Fi doorbell enables you to monitor your front door from anywhere. It uses your doorbell wiring for power to capture 1080p resolution video. It features a 160° horizontal field of view, night vision functionality, two-way audio with noise cancellation, and customizable motion detection. The Neighbors by Ring app enables remote viewing and notifications to your iOS or Android device. Compatibility with Amazon Alexa enables voice commands.

• Ring Home Builder Kit
• Video Doorbell Pro
• Base Station
• Keypad
• 3 x Door/Window Sensors
• Alarm Smoke and CO Listener
• Motion Sensor
• Limited 1-Year Manufacturer Warranty