Smart WiFi Door Sensor Home| No Hub Required| App Alert, Works with Tuya Smart Life Devices, Compatible with Alexa, Google Home, Siri| Smart WiFi Door Sensor for Home/Office (Phone Alert + Siren, 1)

Sekyo WiFi Smart Door Sensor Alarm for Home | Real-time Phone Alert + Siren | Magnetic Wireless Door Open Alarm Security System | Only WiFi Required | App Control | Easy Installation (Pack of 1)

Tapo Tp-Link T110 Smart Door/Window Contact Sensor,Real-Time Monitor,Instant Push Notification,Battery Included,Easy Installation,Work with Alexa, Hub Required Sold Separately