CA-408/CA-508 LCD Screen TCON Board Conversion Module 4-Channel Adjustable Features: LCD screen TCON board, 4-way adjustable module. Model 92E, input 3.3-5V. Output four channel: Common AVDD, VGH, and VGL. materials, long time use. CA-408 and CA-508 are optional. Specifications: Printed Circuit Board+Plastic Type: CA-408, CA-508(optional) Size: approx. 40x25mm/1.57x0.98inch Model: CA-408/CA-508 Input 3.3/5V 12V AVDD: 7.5~12V VGH: 17V~23V VGL: -6~-8V Package Includes: 1Pc LCD TCON Board note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.