Description: With new imported lamp beads, the brightness is better and the color temperature is corrected. The new solution LED cross-flow booster board supports 10-30V wide voltage input. 3 sets of 1 group, free to cut. 15-23.6 inch - 24 inch universal all-round. Adjustable brightness! (Many products at the same price are actually without dimming). Constant current plate also is buck board. Specification: Material: electronic components Light bar size: approx. 535 x 4 x 2mm/ 21.06 x 0.16 x 0.08inch (length x width x height) Dimensional plate size: approx. 7 x 2cm/ 2.76 x 0.79inch (length x width) Input voltage: 10V~30V wide voltage This product is the original display special light bar, the brightness is very high, can not be directly. LED particles are tight, high-density array imported bright LED patch. Long life, designed for the display, its life span of 100,000 hours. Easy to install, use double-sided tape can be attached to the original LCD slot of the display, or posted elsewhere. Energy saving, power is only 8W. The original 4 LCD power is generally 24W. Advantages of retrofit LED backlight: (1) When the backlight made by the ordinary lamp is turned on, the brightness is very dark. After the lamp is completely warmed up, the brightness is normal, and the backlight of the LED is turned on, and the normal brightness does not need to wait at all. (2) The backlight made by the ordinary lamp consumes no energy, and the LED backlight is energy-saving and environmentally friendly. (3) and the life is more than three times that of the ordinary lamp, and it is not necessary to change the backlight for a lifetime. Package Includes: 2 Pieces LED lamp strip(2 Pack) 1 Piece Constant current board(2 Pack) 1 Piece Connecting line(2 Pack)