crt monitor Model:CM-1712, We are professional CRT monitors and computer monitors factory. CRT MonitorModel: CM-1712SPEC: Dot pitch: 0.25mmHorizontal frequency: 30-75kHzVertical frequency: 50-160HzMax resolution: 1600*1200 Power supply: 90-260V AC, 50/60HzBandwidth: 150MHz Certification: CE,FCC,CCC Packing Size:460 x 458 x 436 Loading Q'ty: 20' :3000pcs 40' :600pcs 40'HQ: 750pcs CRT monitor