For many home owners, the advantages of an outdoor wireless siren are outweighed by complicated installation and wiring costs. The MCS-730 two-way, fully wireless outdoor siren overcomes these challenges through easy, cabling-free installation and optional extended time between battery changes, for long-lasting operability. In addition, two-way and fully supervised communication with the control panel assures highly reliable operation. This affordable siren’s sleek design ensures it is clearly visible, alerting and deterring potential intruders, while maintaining the clean look of any building. In the event of an alarm, the siren sounds loudly and the strobe light is activated, ensuring the alarm is noticed.