1,21"ultra slim 2,130-260V or 90-260V 3,PCB: ... (optional)Audio SystemB/G,D/K,M/N,I (optional)21" MONO,29" STEREO Video21"AV INPUT *129" AV INPUT *2 ... OUTPUT *1Tube TypeA grade & Slim and Ultra slim:21",29"A : 21"B : 21"Channels249 or 181 Per-set channels memoryFunctionClock setting, ON ... cabinet (optional)Daily Capacity3000~3300sets/dayMOQA 40'HQ per model 21 inch ultra slim CRT TV