Ultra-light and ultra-thin, the weight of a single LED cabinet is only 4.8kg, the thickness is 31mm, no complicated steel structure is needed, which is convenient for construction and installation. Support sound playback, built-in 2*30W audio, support 2.0 channels Mobile phone interactive function, support mobile phone to realize touchpad and remote control function, support mobile phone to open application quickly, support mobile phone to adjust display parameters. It supports conference mode, presentation mode, energy saving mode, user mode and multiple modes, and the scene mode can be quickly adjusted according to the application scenario. The full HDMI interface uses HDMI 2.0 interface and supports 4K input. Support Wi-Fi function, can be connected to achieve Internet access. support 2.4G & 5G dual network duplex. Supports Bluetooth function, and can connect to Bluetooth devices via Bluetooth. Built-in Android 9.0 system. Built-in 232 and 485 interfaces can realize centralized control function. Full front service, supports hot plug, simplifies maintenance. Leading 3-in-1 integrated board design, which reduces component wired connection and improves stability. Independent R & D design of software and hardware, high compatibility of functional modules, maximize performance of products. Built-in mature technology, support wireless screen transmission, small screen control large screen, letter sending system, timer, built-in "welcome interface" editing software, etc. Simple and easy-to-use menu, remote control operation. realize brightness, color temperature, contrast, volume and other adjustments, signal source switching, standby mode selection and other functions. Ultra-low standby power consumption design, the standby power consumption of the whole machine is less than 0.5w.