Description: Cameras: The Wireless Network Watching Kit comes with 20 million cameras that support up to 4 screens simultaneously. It also supports a maximum of four 5 million cameras for good image quality.Large Storage Capacity: This Security Camera supports a maximum storage capacity of 16TB (2.5 inches) hard disk, allowing for extensive video playback and storage.Wireless Connectivity: The WiFi Cameras support wireless bridge mode with a WiFi range reaching up to 60 meters, ensuring seamless connectivity across large space.Efficient Compression and Two Way Audio:Home Cameras support H265 compression format, allowing approximately 50 days of storage on a 1TB drive. Additionally, it features two way audio with built in phone and speakers for easy communication.Intelligent Features and Durability: Equipped with AI intelligence, the outdoor cameras support human alarms and motion detection alarms for enhanced security measures. It also offers remote watching via mobile devices along with interphone functionality and playback options. With a waterproof function, it can be used both indoors and outdoors. Specification: Color: White Package Size23cmx20cmx10.5cm/9.06inchx7.87inchx4.13inch Cameras Size4.5cmx4.5cmx8cm/1.77inchx1.77inchx3.15inch Package Includes: 1 Host 4 Cameras 1 EU Adapter 4 Camera Power (5V USB) 5 Bag Screws 1 Instruction Manual 1 Network Cable