The Link2Home Secure WiFi Zigbee Smart Wireless Alarm Kit is a complete system that includes a 10-piece package of alarms, all connected wirelessly for easy installation and operation. With features like Wi-Fi connectivity and smart home protocol using ZigBee, this system provides reliable security for your home. Each unit comes with a battery included, ensuring uninterrupted protection even during power outages. This alarm kit from Link2Home offers a convenient and secure solution for home security.