Features: 2balls linkage: Two cameras can work together to provide a widers monitorings, cover more areas, and enhances monitoring effectiveness. Bidirectional voice: Supports two-way voice communication function, allowing users to have real-time with family or visitors through Surveillances cameras, achieving remote communication and interaction. Indoor area trackings: Equipped with indoor area trackings function, it can intelligently identify moving targets and track them to ensures effective monitoring of key areas. WIFI connection: Supports WIFI connection, making it convenient and fast to connect with mobile phones or networking, enabling remote monitoring functions without the need for complex wiring and installation, simplifying the usage process. Mobile remote monitoring: Users can remotely view the monitoring screen through their mobile phones, understand the situation home, increase their sense of security and convenience, and facilitate monitoring of home conditions when going out. Specifications: Materials: Plastic + Electronic Memory: WIFI no memory card, WiFi 64g memory, WiFi 128g memory (optional) Package Includes: 1PC Surveillances Camere note: Due to the screen setting difference, the item color may slightly differents from the pictures. Please allow slight dimension difference due to differents manual measurement.