2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)

Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base

Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors Or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy

Window Door Alarm, 125Db Door Alarm For Kids Safety, Door Window Sensor For Home Security

Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy

Window Alarm Sensors, Door Alarms For Home Security Loud, 120DB Pool Window And Door Alarms For Kids Safety (10 Pack)

Wifi Door Sensor: Smart Door Open/Closed Detectors, Wireless Window Sensor With App Notification Alert, Contact Sensor For Home Security, Compatible

Wifi Door Sensor: Smart Door Open/Closed Detectors, Wireless Window Sensor With App Notification Alert, Contact Sensor For Home Security, Compatible

THIRDREALITY Zigbee Contact Sensor 4 Pack, Door And Window Monitor, Home Automation,Works With Home Assistant,Smartthings,Aeotec,Homey,Hubitat Or Echo

Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)

Simplisafe Entry Sensor (Pack Of 4) - Window And Door Protection - Compatible With The Simplisafe Home Security System - Latest Gen

THIRDREALITY Zigbee Contact Sensor 2 Pack,Door And Window Monitor, Home Automation,Works With Home Assistant,Smartthings,Aeotec,Homey,Hubitat Or Echo

Door Window Alarm, 90Db Door Alarms Sensor For Kids Safety, Home Security, Door Window Burglar Alarm, Window Pool Alarms For Home, Apartments, Offices

Security Door Window Alarm, 90DB Wireless Sensor Door Window Burglar Alarm, Door Alarms For Kids Safety, Easy Installation Doorbell Alarms For Office

Eufy Security Entry Sensor, Detects Opened And Closed Doors Or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor Use

Clouree 4G Smart Home Security Alarm Kit, Wireless Wifi Home Alarm System With Siren, PIR Motion Sensor, Remote Controls, Window/Door Sensor, Support