Battery Video Doorbell Plus + Chime Pro compatibility_checker * Compatible with 1st and

* Compatible with 1st and 2nd generation Alarm devices and accessories

* pogo pin conversion collar

1x Alarm Range Extender

for non-stop power and protection

Battery Video Doorbell Plus + Chime Pro compatibility_checker * Compatible with 1st andAnswer the door from anywhere with Battery Video Doorbell Plus, a wireless doorbell security camera that features 1536p HD Video and Head To Toe View, so you wont miss a visitor or package delivery. Combine with a Chime Pro which extends your Ring network and gives you audible notifications around your home whenever someone presses your Video Doorbell or motion is detected. * Includes a free 30 day Ring Subscription trial.[1]