GSM 433MHz Home Wireless Burglar Security Alarm System — Tuya APP Compatible, High Sound

Compact GSM alarm with Tuya APP compatibility and a high sound siren. Provides immediate alerts: APP push and SMS notifications for external power failure and built-in battery low power; APP push when external power is restored; SMS notification for tamper alarm. Supports 5 groups of preset alarm phone numbers, with SMS on/off and dial on/off configurable respectively. Schedule arm/disarm in advance with the timing arm and disarm feature for daily automated protection. Adjustable delay options let the user set both arm delay and alarm delay to suit personal needs. Camera support: integrate a camera to view events remotely on intrusion, speak through the camera and deter intruders instantly.