NGS Code Knock, Personal, Analog, AM, FM, 88 - 108 MHz, 530 - 1700 kHz, Analog NGS Code Knock. Radio type: Personal, Tuner type: Analog, Supported radio bands: AM, FM. Display type: Analog. Product colour: Black, Coloration: Monochromatic, Volume control: Rotary. Compatible battery sizes: AAA. Power source: Battery