Pro Tips: Clean the attachment surface before installation. Ensure the adhesive surface is smooth, clean, flat, and dry. This product is not waterproof, so use it in a dry environment. Remove the transparent insulation sheet inside the remote control before use. Connect the arrows on the controller to the corresponding arrows on the light strips for a valid connection. Ensure each end of the controller is connected to a single roll of light strips. >>> See More Best Led Light Strip - BLLS: https://jaxbeach.social/@bestledlightstripsblls