|  |  Lighted KeysLighted Keyboard - Designed to provide a fun way to learn how to play music | PRODUCT | DESCRIPTION |  | The LK-210 includes 61 Full-Size Illuminated keys, 32 -note polyphony, 264 tones, 120 rhythms, 100 tunes, Microphone jack with volume control for sing along, LCD display, 3 step lesson system with scoring and voice fingering guide, General MIDI, USB port and SD card slot. | |  | The LK-300TV includes 61 Full-Size Illuminated Keys, 32-Note Polyphony, 514 Tones, 120 Rhythms, 100 Built-In tunes, Advanced 3-Step Lesson with TV display, scoring, Karaoke, General MIDI, LCD, Front Microphone Jack and Volume for Sing Along with Key Control, TV Connectable Cable Included, USB Port, SD card slot, Large Internal memory for Song Expansion, Reverb and Chorus Digital Effects. | |  | The LK-94TV includes 61 Full-Size Illuminated Keys, 32-Note Polyphony, 264 Tones, 120 Rhythms, 100 Built-In tunes, Advanced 3-Step Lesson with TV display, scoring, Karaoke, General MIDI, LCD, Front Microphone Jack and Volume for Sing Along with Key Control, TV Connectable Cable Included, USB Port, Internal memory for Song Expansion, Reverb and Chorus Digital Effects. | |  | The LK-100 includes 61 Full-Size Illuminated keys, 12 note polyphony, 100 tones, 50 rhythms, 100 tunes, LCD display, dual speakers, 3-step lesson system, microphone jack with volume control for sing along, MIDI, auto-accompaniment. |  |