Comes standard with 2.4GHz Wi-Fi and supports mobile APP wireless control (supports WiFi-AP, WiFi-STA Onboard 1-channel relay can remotely control the power supply Supports 2-channel video window playback (supports up to 2 channels of 1080P) Support UART communication C16L is a LED multimedia playback card that integrates a sending card, a receiving card and a playback terminal. Compared with the traditional asynchronous playback solution, it can reduce the need for a computer playback terminal, making it easy to control at any time. It has an onboard receiver directly connecting to the screen, which is relatively more cost-effective; It supports the playback of videos, pictures, Gif animations, texts, WPS documents, tables, clocks, timings and other program contents; It supports 60Hz frame rate output, smooth word movement and remote control of power supply and other functions Color: As Shown Material: PCB Package Contents: 1 * HD-C16L LED Control Card 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.