November 2026
MC-TY Tuya Smart Door/Window Contact Sensor,Real-Time Monitor,Instant Push Notification,Battery Included,Easy Installation,Work with Alexa, No Hub Required, Works on Wifi
A battery powered WiFi door and window sensor that sends a push notification to your phone when a door or window opens. It works with the Tuya Smart Life app on 2.4 GHz WiFi and needs no hub.
Specifications
| Colour | White |
|---|---|
| Connectivity | 2.4 GHz WiFi, Tuya app, no hub required |
| Battery | 2 x LR03 (AAA), included |
| Low battery | Low battery alert |
| Notifications | Instant push notification when door or window opens |
| Sharing | Can be shared with family; history of sensor activity |
| Voice assistant | Works with Alexa |
| Installation | Double-sided adhesive tape or screws |
In the box
Frequently asked questions
No. It connects directly to your 2.4 GHz WiFi and uses the Tuya app.
No. The product details say 2.4 GHz Tuya WiFi.
2 x LR03 (AAA) batteries. The product name says batteries are included, and the sensor sends a low battery alert.
A push notification on your phone when the door or window opens.
Yes. You can share the device with family members and check the history of sensor activity.
Attach one piece to the door or window and the other to the frame, using double-sided tape or screws.
Yes. The product name says it works with Alexa.
Wireless sensors fix with double sided tape or screws and run on batteries. Place magnetic contacts on the door or window frame and motion sensors at a corner facing the room.
It pairs with wireless alarm panels of the same radio frequency. Check the frequency in the product details before buying.
Battery life depends on use and the battery type listed in the product details; most wireless sensors run for many months on a single battery.