Best Door Sensor For Smart Homes

Ring Alarm Outdoor Contact Sensor – 2-pack

SanJie Door Sensor Chime for Door Opens, Door Entry Chime for Business/Home/Office/Store,800 FT Range,55 Chimes 5 Adjustable Volume Door Ringer Alert Alarm 1 Receivers +1 Sensors

eufy Security Entry Sensor, Detect Open and Closed Doors or Windows, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor-Use, Requires HomeBase

Aqara Door and Window Sensor P2, Matter Over Thread, Requires Matter Controller & Thread Border Router 2-in-1, Contact Sensor, Local Automation, Supports Apple Home, Google Home, Alexa and SmartThings

ecobee SmartSensor for Doors and Windows 2-Pack, White

YoLink Smart Home Starter Kit: 4 Door/Window Sensors & Hub Kit, Compatible with Alexa, IFTTT, App for Remote Monitoring, Control and Alerts, Door Still Open (Door Left Open) Alerts

Wyze Home Security System Entry Sensor - Window and Door Entry Protection (3-Pack)

Aqara Door and Window Sensor, REQUIRES AQARA HUB, Zigbee Connection, Wireless Mini Contact Sensor for Alarm System and Smart Home Automation, Compatible with Apple HomeKit, Alexa, Works With IFTTT

CPVAN Home Security System, Wireless Door Alarm with APP Alert, Remote, Door/Window Sensor, Base Station and Siren 8 Kit, for Kids Elders Safety, Fit House, Apartment. Works with Alexa

Ecobee3 Lite Smart Thermostat with Whole Home Sensors (1 Door/Window, 1 SmartSensor)