DIYbypass Parking Brake Bypass Override For ALL Clarion VX VZ NX NZ- Multi Pulse 5 Minute install (3 Wires to connect ALL done at the back of the unit) Pre-Programmed to provide Multiple Ground Pulses (No previous install experience required) Fully automatic (Turns on automatically when the radio is powered on) Ultra slim design. SMALLEST ON AMAZON! Guaranteed to Work! WARNING: This product is for show, off-road, and retail display use only. It is dangerous and in most states considered to be illegal to watch video from the front seat of a moving vehicle. Check local laws.