Advantage 1: The new original lamp beads, temperatureAdvantage 2: The new program LED -flow booster board, support 10-30V wide voltage input;Advantage 3: 3 1 group, free to cut 15-22 inch universal all-around typeAdvantage 4: Adjustable brightness -flow board specifications: 7cm * 2cm (length * width) Constant flow board, also known as booster boardLight bar specifications: 490mm * 4mm * 2mm (L * W * H) (81 beads / bar)Input voltage: 10V ~ 30V wide voltagecolour:WhiteMaterial:Fiberglass panels Package Contents:1 set x LED Adjustable Backlight Upgrade KitOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.