W18 GSM Smart Home Alarm System — App-Controlled with Motion Sensors & 110dB Siren

The W18 GSM alarm package provides app control and motion sensor protection for home security. Its GSM central unit coordinates accessories to detect intrusions and notify you immediately. On alarm the system emits a 110dB alert designed to warn neighbors and deter intruders. It includes a built-in siren and is supplied with a 110db wired siren for powerful external sound. If mains power is lost, the internal backup battery keeps the system running for up to 8 hours. For notifications, the auto-dialer can call as many as 6 designated phone numbers in the event of a breach. A high-end unit engineered for stable, reliable performance.