Gosund Zigbee ST18 Tuya smart door and window opening sensor

The Gosund ST18 is an advanced door and window opening sensor that gives you full control over the security of your home. Thanks to its integration with a mobile app, you receive instant push notifications about any activity related to opening or closing doors and windows, allowing you to monitor the situation at home in real time. The product requires a ZigBee gateway (not included) for proper operation.