Advantaged as following: 1.Input dc 5v , can be cutted every led. 2.Mini 3 key controller, many colors can be controlled. 3.Usb cable, easy to be charged, easy to be installed. 4.Self-adhesive easy for installing.Can be used for tv backing light, bicycle wheel light... Sparta group, which is a leading professional manufacturer of led lighting for 6 years.Sparta covers 12000 square meters with 152 experienced staffs, including r&d team and 11 qc, iso 9001:2015. Main products are led strip, approved by etl, fcc for usa market, ce, rohs, tuv for euro-market, pse for japan.