Tuya Smart Wifi GSM Home Alarm System — Touch Keyboard, RFID Card, Remote APP Control with Wireless Detector Sensor

RFID convenience: Use the included RFID card to arm or disarm the system quickly — ideal for children and elderly users. Simply tap the RFID card before leaving to ARM and tap again on return to DISARM, eliminating the need to fumble with a traditional remote. Wireless siren support: The alarm host contains a built-in wireless transmitter module so you can connect a wireless siren directly without adding any extra radio module. Doorbell feature: Assign a wireless push-button as a doorbell; pressing it will make the alarm host play a ding-dong sound. Power and battery alerts: The system sends SMS and APP notifications when mains power fails, when power is restored, or if the battery is low, keeping you informed of critical events. Contact numbers: You can program 5 alarm phone numbers to receive alerts. Expandable protection: Adding additional wireless detectors strengthens coverage and increases overall home security.