door alarm sensor
No lengthy contract required. Cons: Requires a monthly subscription for remote access. Cannot customize alarm sounds. Bottom Line: The Vivint Smart Home system offers
24/7 security monitoring and remote control of your door locks, cameras, heating system, and features the best video doorbell solution we've tested. Read ReviewRing Alarm Security Kit ReviewMSRP: $199. 00 at Pros: Easy to install. Professional monitoring available. Comes
with tablet controller. Works with Alexa voice commands, IFTTT, and Z Wave devices. Cons: Camera image quality could be better. Some components are expensive.