Tuya Home Alarm Kit — Door Sensor & Wireless Doorbell with GSM/App Control, High Sound

Tuya home security kit combining a door sensor and wireless doorbell with GSM and app control. The door sensor uses an induction alarm principle to detect open/close events and provide a door-closing reminder. It can also serve as a wireless outdoor infrared detector or be used to trigger a wireless outdoor sound-and-light siren. Additionally, the system supports home appliance control and delivers high-volume audible alerts.