METRA AXTC-FD2

Provides accessory power (10-amp)Provides wires for multimedia radios (park brake, reverse, speed sense)Retains audio controls on the steering wheelDesigned to be compatible with all major radio brandsAuto detects vehicle type, radio connection, and preset controlsAbility to dual assign steering wheel control buttonsRetains memory settings even after battery disconnection or interface removal (non-volatile memory)? Provides illumination output? Retains the 3.5mm AUX-IN jack? Micro-B USB updatable? Includes 5v factory amplifier step-down