Features: Supports USB5V voltage input, can use mobile phone chargers, power banks, computer USB port, etc. as power sources. The 3.5mm headphone port is for sound output and can be used with regular 3.5mm headphones or connected to external amplifier devices. Supports signal input, amplifier output double channel, with a spacing of 1.25-4P defined. The potentiometer adopts a wave wheel button, a three in one function, plus/minus, and combines brightness. Driver board, automatic recognition, automatic conversion. Specifications: Material: ABS+Metal Size: about 89x47x5mm/3.50x1.85x0.19inch Resolution: 1920x1080 Main control IC: RTD2556 Power: 2x2W LCD screen interface: EDP 30PIN interface Channel: 2CH Other functions: Built in 12 languages, onboard double color LED light Package Includes: 1x LCD Driver Board 1x EDP Cable note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.