Tapo T300 Smart Water Leak Detector, Water Leak Sensor, Drip Leak Alert, Real-Time Notifications, 90 dB Alarm, IP67 Waterproof, Battery Included, Flexible Installation, Visible Alarm with Lights

Tapo T110 Smart Door & Window Alarm Sensor – Real-Time Alerts, Smart Home Automation, Works with Alexa & Google Home

Tapo T110 Smart Door Alarm, Window Door Alarm Sensor with Real-Time Monitoring, Instant Push Notifications, Create a Smart Home Automation, Battery Included, Works with Devices Alexa Google Home

TP-LINK Tapo Smart Door/Windor Contact Sensor,Real-Time Monitor,Instant Push Notificatio

Tapo T100 Smart Motion Sensor, Motion Detectors, Wide Range Detection, Instant Alerts, Hands-Free Motion-Activated Lighting, Energy Saving, Battery Included(Packaging may vary)

Dioche Water Leak Detector, Smart WiFi Wireless Water Flood Sensor Alert Leak Detector Alarm APP Notification

Tapo TP-Link T110 Smart Contact Sensor for Window/Door Safety, Battery Life of More Than 1 Year, Instant App Notification, [Must Be Used With H100 Hub]