W18 GSM Home Security Alarm System — Compatible with Motion, Smoke, Door/Window Sensors & IP Camera — 110dB Siren

The W18 GSM home alarm delivers a loud 110dB alert to warn neighbors and discourage intruders. It works with motion detectors, smoke sensors, door/window contacts and IP cameras for comprehensive protection. The system includes a built-in siren and supports an external 110dB wired siren for stronger audible coverage. If mains power fails, the onboard backup battery keeps the unit running for up to 8 hours. Built for reliable, high-end performance, the W18 also features an auto-dialer that will call up to 6 designated phone numbers when a security breach is detected.