Feature: 1. The controller module supports 5V DC 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 standard button board interface, driver board supports dual‑color LED indicator display. 3. Wide range of application scenarios include industrial display screens, industrial tablets, driving recorders, cash registers, touching integrated machines, etc. 4. Using synthetic cardboard material, high‑grade materials, long service life, giving you a high‑quality life. This driver board can support the automatic detection signal switch function, this function is a customized function 5. The driver board gives your the ability to drive two DC motors OR one stepper motor. The product is an ideal choice to DIY mobile robot based on for Raspberry Pi. Specification: Item Type: HDMI Controller Board Kit.Material: Synthetic cardboard1.1 HDMI signal input, and this IC supports for HDMI1.2, supports HDMI 1080P display 2. It supports 5V DC voltage input. It can also be powered by USB or mobile power supply, but the positive and negative poles must not be reversed to avoid damage to the circuit board. 3. The driver board integrates liquid screen LED backlight driver board circuit 4. Standard button board interface, and support two-color LED indicator display 5. The driver board supports remote control function, which needs to cooperate with designated remote control 6. Relative Humidity: Less than 80%, operating temperature -1- degree-+60 degree Use a CR2025 not included, without battery delivery Fuctions: Wide range of application scenarios, including industrial display screens, industrial flat panels, driving recorders, cash registers, touch all-in-one machines, etc. Package List: 1 x Keyboard1 x Remote Control1 x Cable1 x Driver Board Note: CR2025 is being used and shipped without batteries