DVD/CDG Karaoke Portable Karaoke DVD/CD+G System w/5.5" B/W Monitor & Radio with Key Changer The DT558 Portable Karaoke DVD/CD+G System is a truly portable unit. Powered by 120VAC, 12VDC or "C" Batteries, the DT558 is very light in weight and a child could carry it from party to party. It includes a 5.5" B/W monitor and radio too. Like high price