Best Door Sensor For Smart Homes

Ring Alarm Outdoor Contact Sensor – 2-pack

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

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

ecobee SmartSensor for Doors and Windows 2-Pack, White

Yolink Smart Wireless Door Sensor, APP Alerts Smart Door Window Sensor Smart Home Security System, 3 Packs

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

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

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

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

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