Features: 1. The controller module supports DC 5V voltage input, you can also use USB or mobile power supply, but the positive and negative poles cannot be reversed to avoid damage to the circuit board. 2. The driver module has a standard button board interface, the driver board supports two-color LED indicator display. 3. A wide range of application scenarios include industrial display screens, industrial tablets, driving recorders, cash registers, touch integrated machines, etc. 4. Using synthetic cardboard, high-quality materials, long service life, giving you a high-quality life. This driver board can support automatic detection signal switching function, this function is custom function 5. The driver board allows you to drive two DC motors OR one stepper motor. The product is an ideal choice for DIY mobile robot based for Raspberry Pi. Specifications: Item Type: HDMI Controller Board Kit Material: synthetic cardboard 1.1 HDMI signal input, and this IC supports HDMI1.2, supports Support HDMI 1080P display 2. It supports DC 5V voltage input. It can also be powered by USB or mobile power, but the positive and negative poles should not be reversed to avoid damage to the circuit board. 3. The driver board integrates LED liquid screen backlight driver board circuit 4. Standard button board interface, and supports two-color LED indicator display 5. The driver board supports the remote control function, which needs to cooperate with the designated remote control 6. Relative humidity: less than 80%, operating temperature -1- degree- +60 degree Use CR2025 not included, without battery delivery Fuctions: wide range of scenarios application, including industrial display screens, industrial flat panel displays, driving recorders, cash registers, touch all-in-one machines, etc. Package List: 1 x Keyboard 1 x Remote Control 1 x Cable 1 x Driver Board Note: CR2025 is used and shipped without batteries