Tuya T661 WiFi Door/Window Sensor

The Tuya T661 WiFi Door/Window Sensor is a smart magnetic contact sensor that lets you monitor the status of doors and windows from anywhere via the Tuya Smart or Smart Life app. It connects directly to your home WiFi network – no additional hub or gateway required.

• WiFi 2.4 GHz connectivity – works with your existing router
• No hub required – direct WiFi connection
• Instant push notifications when a door or window is opened
• Compatible with Amazon Alexa and Google Assistant for voice control
• Built-in wired input for connecting an external contact sensor (not included)
• Battery powered – includes CR2 battery (3V)
• Easy adhesive mounting – no drilling needed

Ideal for home security and smart automation. Create scenes like turning on lights when the door opens. Use the Tuya app to set schedules, receive low-battery alerts, and integrate with other Tuya devices.