CUBE+ is the product that can be used as street and security light by extending LED modules like “LEGO” blocks. Owing to its easy expandability, 30 watt x 2 = 60 watt and 30 watt x 5 = 150 watt can be used each for security and street light with one module of 30 watt. The design of CUBE+ is simple and minimal based on basic formativeness as well as full water-proof with IP67, the external frame and body part consist of color combination of silver and dark grey, the blue line of front grill symbolizes the identity of POSCO LED, and the completion degree of the entire design is raised due to unseen heat sink inside.