As a LED lamp which effectively replaces the existing halogen lamp, compatibility with the existing power supply is considered and its design is harmonized with lighting fixture and interior. Heat sink design with aluminum diecasting process and a groove prolongs the lifespan of the LED and reduces energy consumption by making effective illumination. When on / off, LED cluster is emotionally animated, showing the LG lighting’s signature look. Exposed level visualizes functions to control beam angle, and differentiation from existing lamps and application to various user scenes are possible.