W18 GSM Home Security Alarm System — Works with Motion, Smoke, Door/Window Sensors & IP Camera | Easy to Use

The W18 GSM alarm system delivers a powerful 110dB warning to alert neighbors and deter intruders. It includes a built-in siren plus an external 110db wired siren for reinforced audible protection. In the event of mains power loss the unit’s backup battery keeps the system running for up to 8 hours. Reliable performance is a core feature — this high-end alarm is designed for stable, consistent operation. For emergencies the auto-dialer will call up to 6 designated phone numbers to notify you or your contacts. Compatible with home burglar motion detectors, smoke detectors, door/window sensors and IP cameras for comprehensive protection.