Features: For 1 monitor, 1 kit is sufficient. Supports 20-inch monitor. LED board size: 6.8cm x 1cm x 0.5cm, dimmable, with same functionality as previous versions. Input: 9-25V. Enhances monitor brightness for lifelike image experience. LED backlight strip set designed for LCD monitor upgrades, providing dimmable lighting. This LED backlight strip kit serves as a direct replacement for LCD laptop screens originally equipped with single CCFL backlight lamp inverters. Specifications: Light Color: White LED Board Input: 9-25V LED Strip Size: 450mm x 3mm x 2mm / 17.7 inch x 0.12 inch x 0.08 inch (approx.) LED Board Size: 7cm x 2cm x 0.5cm / 2.75 inch x 0.79 inch x 0.20 inch (approx.) Color: White Material: Plastic Package Contents: 2 x 450mm LED backlight strips 1 x Circuit board 1 x Power cable Note: Light shooting and different displays may cause slight color variations between the item in the picture and the actual product. Measurement error allowance: +/- 1-3cm.