Specifications: Monitor your exhaust gas temperature and set a custom warning level. The kit is easy to install as the sensor mounts in your engine bay and simply has a cable that runs to the gauge. It is important to monitor your exhaust gas temperatures especially when towing as these give vital information to the heat generated by the engine and the current stress put on it. Assembly Instructions: 1. Connect the Part 1 and Part 2, give it 12V. 2. On the Part 1 have two Button. 3. Press on a button the LED will twinkle. 4. Now you can press the two button set the alarm number. 5. Left button is down the right button is up. 6. Set the alarm number what you want wait for 5 seconds the gauge will keep the set. Item Name: Car Exhaust Temp Gauge Material: ABS, Electronic Components Booster: -14PSI to 140PSI Exhaust Temperature: 0-11000 Degree Celsius Water Temperature Gauge: 0-1100 Degree Celsius Oil Pressure Gauge: 0-18 BAR Size: 4.8cm x 3.2cm/1.89" x 1.26" (Approx.) Cable Length: 90cm/35.43" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Car Exhaust Temp Gauge