amazon.com is selling the Ring Alarm 8-piece kit (2nd Gen) – home security system with optional 24/7 professional monitoring for $149.99 with free shipping. Works with Alexa.

• This kit includes one base station, one keypad, four contact sensors, one motion detector, and one range extender

Pay With the amazon credit card
25% cash back when you pay with Amazon Prime credit card, $149.99 – 25% = $112.49 + Free Shipping