Features: 1.High useful turbo timer, helps to protect your turbo by cooling down after driving 2.Greatly improving the combustion efficiency of the engine, save a certain amount of fuel consumption 3.The voltage, oxygen content (O2) and air fuel ratio (A/F) can be displayed 4.This turbo timer has the unique feature of RPM monitor to automatically calculate idling time 5.This turbo timer device is equipped with a parking brake safety function which will keep the car from moving forward when idling in the count down function Specification: Features:_x000D_ _x000D_ High useful turbo timer, helps to protect your turbo by cooling down after driving. _x000D_ Greatly improving the combustion efficiency of the engine, save a certain amount of fuel consumption. _x000D_ The voltage, oxygen content (O2) and air fuel ratio (A/F) can be displayed. _x000D_ This turbo timer has the unique feature of RPM monitor to automatically calculate idling times _x000D_ Makes the high speed rotating impeller slowed down to the normal speed before the engine stalled. _x000D_ This turbo timer device is equipped with a parking brake safety function which will keep the car from moving forward when idling in the count down function. _x000D_ Compact size and light weight, comes complete with English instruction manual, convenient and space-saving for installation. _x000D_ Universal fit for all vehicles with a 12 volt switched power source. _x000D_ _x000D_ Specifications:_x000D_ Condition: 100% brand new_x000D_ Material: plastic, electronic components_x000D_ Shell Color: black_x000D_ LED Light Color: red / blue (optional)_x000D_ Voltage: DC 12V_x000D_ Black Display Case Size: 100 * 18 * 14mm / 3.9 * 0.7 * 0.6in_x000D_ LCD Display Size: 46 * 12mm / 1.8 * 0.5in_x000D_ Display Cable Length: approx.95cm / _x000D_ Black Control Unit Case Size: 62 * 50 * 25mm / 37.4in_x000D_ Timer Functions:_x000D_ - Manual Mode (0-10 Minutes)_x000D_ - Memory Mode #1 (1 touch, 1 Minute Setting)_x000D_ - Memory Mode #2 (1 touch, 3 Minute Setting)_x000D_ Package Weight: approx.200g_x000D_ Fitment: universal fit for all vehicles with a 12 volt switched power source_x000D_ _x000D_ Package List:_x000D_ 1 * Turbo Timer Device_x000D_ 1 * Relay Unit_x000D_ 2 * Mounting Pad_x000D_ 3 * Cable Ties_x000D_ _x000D_ Notes:_x000D_ 1. Please read this manual carefully before installing, professional installation is highly recommended._x000D_ 2. Please allow 0.2 inch error due to manual measurement, thanks for your understanding. PackageList: