Best Wifi Garage Door Sensor

Ring Alarm Contact Sensor (2nd Generation)

Yale Shed and Garage Alarm, Free-Standing or Wall-Mounted Wireless Alarm, Easily Secure Outside Buildings and Caravans,

SECRUI Wifi Door Sensor Alarm, Tuya Smart APP Remote Control Wireless Motion Detector Alarm with Siren, DIY Home Security Alarm System Work with Alexa and Google Home for Shop/Office/House

Tapo Smart Contact Sensor, Real-Time Monitoring Smart Window & , Instant Push Notification,Battery included,Easy Installation,Work with Alexa,Tapo Hub Required separately(TapoT110), packaging may vary

Aqara Door and Window Sensor P2, Matter over Thread, Requires Thread Border Router, Contact Sensor with Remote Alarm and Local Automation, Supports Apple Home, Google Home, Alexa and SmartThings

Shed Alarm Home Security Wireless | Shed Garage Lockup Summer House | Easy Self Install Waterproof Vibration Tech 113db Exceptionally Loud

CPVAN Indoor Motion Sensor Alarm with Siren, Wireless Infrared DIY PIR Motion Detector Burglar Alarm System, Battery Operated, 125dB Adjustable, Remote Control for Home/Garage/Van/Shed/Shop. (Black)

eufy Security, Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor-use Only, Requires HomeBase or HomeBase E

VOXON Wireless Door and Window Alarm Sensor 2 Pack 2 Modes Magnetic Window Door Burglar Alarm with 120dB Loud for Kids Safety Home Shop Security

Hive Window or Door Sensor - White, Pack of 1