Secure your home with the First Alert Instant Alarm, designed to protect up to four windows or doors. This wireless alarm emits a piercing 100 dB sound when the magnetic sensors are separated, alerting you of any intruders. The easy peel and stick installation process makes it simple to set up in any indoor location, giving you peace of mind when you're away. Additionally, the battery-operated feature allows for hassle-free maintenance. Don't wait until it's too late, invest in the First Alert Instant Alarm today.