Kenwood CMOS-310 Universal rear-view camera with multiple view modes at Crutchfield
Kenwood KPM-310 | Hifi-Wiki
TK-310 Battery - TK-310 Batteries - Spare Module Type Kenwood TK-310 Replacement Nickel Cadmium (Ni-CD)/Nickel Metal Hydride (Ni-MH) Two Way Radio Battery