K599 is a universal 12V 50A engine start push button switch designed for automotive, racing, and marine applications. It allows users to start their engine with a push-button mechanism. 

Key Features & Specifications:

Voltage/Current: DC 12V, 50A.
Design: Typically features a nickel-plated brass or metal housing with a high-luminance LED light (often blue or red) for nighttime visibility.
Function: Momentary switch (activates only while pressed).
Installation: 22mm installation diameter, suitable for universal fitment in most vehicles.
Usage: Used to activate the ignition/starter motor. 

Installation Notes:

Wiring: Usually involves connecting to the ignition system, typically tapping into the starter motor circuit and a 12V power source, along with a ground wire.
Functionality: It acts as a substitute or addition to the key ignition, bridging the starter circuit when pressed.
Compatibility: Universal for 12V vehicles, including racing cars and standard automobiles.