Costco.com has 10-Piece Ring Alarm Wireless Security Kit on sale for $209.99 valid for Costco Members only. Shipping is free.
https://www.costco.com/Ring-Alarm…24042.h
Note, offer valid for Costco Members only. Works w/ Ring Video Doorbells & Cameras
Includes
Base Station
Keypad
Range Extender
Motion Detector
6 Contact Sensors
https://www.costco.com/Ring-Alarm…24042.h