Product details:

The JHD1130B Heavy Duty AM/FM/RBDS/WB radio is designed to be one of the most rugged stereos available today. The JHD1130B delivers high quality audio without sacrificing valuable feature content. AUX in: front (3.5mm stereo jack). 10 character segmented display with white LED backlighting. Amber backlighted control panel buttons. Preset tuning. Channel lock. Encoder knob volume control. Beep tone confirmation (user selectable on/off). 12/24 hour clock with super-cap 30 day power backup. EQ presets (flat, rock, pop, classical, user settings). Non-volatile memory: for station presets, audio settings and setup menu option settings. Conformal coated PCB. Low battery alert (voltage < 10.8 VDC).