21" HD crt color tv AC90-260V,50/60HZ 1.Audio Sytem: B/G,D/K, M/N,I 2.Program Edit ... Funtion 3.Screen protection funtion 21" HD crt color tv ... .58 , NTSC 4.43 , SECAM(4).Audio Sytem: B/G,D/K, M/N,I(5). 255 pre-set channels ,fully ... sourse:AC90-260V,50/60HZ(12) Screen protection funtion(13) Blue screen&power—off automatically when no signal(14) Picture mode ...