Door Alarm Sensor, 2 Pack SECRUI Wireless Window Door Open Contact Burglar Alarm Chime Anti-Theft 4 Modes 120dB Loud Enough Sticky pad Easy to Install for Your home Kids Safety Shop Security-White
TP-Link Tapo T110 Smart Door/Window Contact Sensor,Real-Time Monitor,Instant Push Notification,Battery Included,Easy Installation,Work with Alexa,Tapo Hub Required Sold Separately
Blackt Electrotech BT02DC 12/24 DC IR Sensor for Single Door Cabinet, Closet, Wardrobe - Automatic Opening and Closing (SingleDoor)
HomeMate No Hub Required WiFi Smart Door/Window Sensor Compatible with Alexa, Google Home and IFTTT