1.3. Tuya Smart/Smart Life APP Compatible: Start the alarm sensor via the app after adding it to the Smart Life app, and act as a doorbell. Monitor the alarm recording in the app for added convenience to ensure that your home is much easier. Check the house condition remotely using the scenes you have set in the app. 2.4. Available Advanced Functions: Set the alarm volume to low, , or medium, and adjust the alarm duration from 0 up to 30 minutes. Choose from 18 optional alarm ringtones for a certain experience. turn the alarm on/off via the app for greater convenience. 3.2. Intelligent Scene Linking with Tuya Gateway Required: Connect the acoustic alarm with other smart home devices to create automated scenes where an alarm is needed. Schedule the alarm to trigger at preset times based on your preferences. Note: This Tuya ZigBee alarm requires a Tuya ZigBee gateway, and other hubs are not recommended due to compatibility limitations. 4. Key Features: Smart ZigBee Siren Alarm with Sound Light: This 2in1 alarm system features a 90dB siren and flashing light, designed for smart homes to provide realtime alerts and timely monitoring of your home's security.