Widely use, work for all the vehicles, cars, SUV, truck, . Easy Installation, plug and play. Rich Contents:driving speed,voltage,single driving distance, total driving distance,driving time,over speed alarm, freely switch between kilometers&miles. Detection Alarm Function:OBD multifunction table,each parameter read can be set. Real-time monitoring of turbo inlet pressure conditions,prevent excessive turbo pressure, protect the turbo. Real-time monitoring of oil temperature,attention to engine health,prevent oil temperature too high,damage the engine. Size: About 83 x 68 x 15mm / 3.26 x 2.67 x 0.59in Screen: About 83 x 68mm / 3.26 x 2.67in Display: LCD multicolor Working Voltage: 9V-16Vdc (12Vdc/400mA) Alarm Sound Level: equal 30dB (A) Weight:170g / 5.99oz Material:PC colour:Black Package Contents: 1 x 1 x OBD2 Cable 1 x Suction Cup Holder 1 x Chinese and English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.