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

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

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

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

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

ecobee SmartSensor for Doors and Windows 2-Pack, White

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

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