MODEL: GWJ700520??Introduction: SIZE:220x135x33mm??6 colors On Screen Display(OSD) in normal mode??especially fully support 64k colors ??o SCART connectors and SPIDIF output??annel list editing ??vorite channel list editing ??rental lock facility by channel ??mer function, automatically turns on/off by setting function,easily implement bookmark function??pport OSD way ??btitle function support ??pport usb and card reader(optional)??pport usb HDD (optional)??mefting (optional) ??equency Range VHF 170-240MHz,UHF 470-862MHz