Light, small, and ultra-mini appearance, easy to use and carry, very convenient for various applications. video and audio transmission via built-in wireless transmission protocol, no need for Wi-Fi or internet. Plug and play design, no need to install any drivers or apps. Widely used for big screen video conferences, home entertainment, online learning, business speech education training, and gaming. Supports mirror and extended modes, with one-to-one and many-to-one modes (up to 8 TXs to 1 RX), and features a real-time display for connection status. This device offers a seamless experience for users looking to connect their devices wirelessly to larger screens. With a transmission distance of up to 50 meters outdoors and 30 meters indoors without barriers, it is perfect for various settings. The LED small screen allows users to monitor connection status in real-time, ensuring a smooth and efficient operation. Ideal for enhancing presentations, gaming, and educational experiences while protecting users' eyes. Color: Black Material: plastic Package Contents: 1 * Wireless Transmitter 1 * Wireless Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.