Easily DIY Installation: Get ready to protect your home security right out of the box. Set up in minutes all by yourself. No wiring or drilling required. | No Monthly Fees: PGST WiFi Alarm System is a one-time purchase at no extra fee and provides 24-hour comprehensive protection for your home security. | Remote/Voice Control: Take full control of your home security system through the Smart Life app - arm, disarm and protect anytime, anywhere. Connect alarm siren with Alexa to easily set your alarm system with voice control. | Real-time Alerts: Scare off unwelcome guests with an 120db alarm when a sensor is triggered and get notified with the Smart Life app . | Easy to Expand: This wireless alarm system supports up to 99 sensors and 5 remotes, perfect for homes, apartments and condos. Easily add more motion sensors, door sensors to make your home safer and smarter (5G not supported).