Constant current supply method applies for the circuit configuration, which provides maximized light speed retention rate The only LED product that allows 360 lighting application Allows low-case English characters of channel depth of 8mm or greater and height of 20mm or greater Adjustable-length according to user requirements Application of flexible PCB does not affect the irregularity in the characters Very easy installation method allows non-professionals to be able to use the product easily Free-L product is designed for indoors. Its use outdoors requires separate water-proofing work. Extremely light in weight. Application fields: Ultra-small indoor signs, direct and indirect lighting f or interior design