Smart Wireless Home Security Alarm — 4.3 inch Full Touchscreen, App & SMS Remote Control, Supports External Wireless Siren

4.3 inch full touch screen interface for straightforward on-device control. The system offers Up to 100 wireless storage locations to learn detectors and accessories, allowing extensive sensor expansion. Control methods include local button operation, App remote control, SMS learning remote and integration with wireless detectors. Built-in alerts include unclosed door and window reminder and low voltage alarm reminder. Compatible accessories and external devices supported: external wireless sirens, smart switch, wireless doorbell, zone re-name and wireless socket.