Size:46"-60"(13.2Ft) Specification: USB operated, DC 5V. , waterproof（IP68）. APP and remote control, 10 meters remote control distance. Package Incl: LED controller, 1pc 23-key remote control, 1pc product manual, 1pc winder💎 How to instal? 💎 Tear off the light with the back sticker and press it to the back of the TV according to the size of the TV. Use scissors to cut off the extra part at the scissors mark of the LED strip light.Expose the infrared receiver of the LED controller to the edge of the TV, and fix the LED controller behind the TV with a Winder.Scan the QR code on the USB interface and download the app. Open the app and connect the light strip via Bluetooth Use the app to control the light strip Gurantee and After-service : 1 year warranty, 30 days no reason to return, free repalcement available in 365 days.