The Auto Timer allows the vehicle to idle for a preset amount of time after the ignition key has been removed. In turbocharged vehicles this prevents hot oil in the engine from coking up in the lines. Hard driving can raise engine oil temperature to dangerously high level. Proper cool down is essential for a healthy turbo and engine. In normally aspirated cars, the Auto Timer can also be used to warm/cool the inside of the car without having to sit inside. Features: High useful turbo timer, helps to protect your turbo by cooling down after driving. Greatly improving the combustion efficiency of the engine, save a certain amount of fuel consumption. This turbo timer has the unique feature of RPM monitor to automatically calculate idling times. Automatic countdown feature in order to ensure the most optimum countdown setting from the widest array of vehicles the user can choose from 144 different setings. This Turbo Device is equipped with a parking Brake safety function which will keep the car from moving forward when idling in the count down function. Compact size and light weight, convenient and space-saving for installation. Universal fit for all vehicles with a 12 volt switched power source. Specification: Condition: 100% brand new Material: plastic Shell Color: black LED Light Color: Blue Black Display Case Size: 6.4 * 5.1 * 2.6cm/2.5 * 2.0 * 1.0in Black Control Unit Case Size: 10 * 1.8 * 1.2cm/3.9 * 0.7 * 0.5in Package Weight: approx.144g/5.1oz Fitment: universal fit for all vehicles with a 12 volt switched power source Package list: 1 * Turbo Timer Device 1 * Relay Unit 3 * Cable Ties 2 * Double Sided Tape Notes: 1. Please read this manual carefully before installing, professional installation is highly recommended. 2. Please allow 0~1 inch error due to manual measurement, thanks for your understanding. .