General description X70 OBD is a smart and multifunctional speedometer that reads real-time data output by the car's ECU. This allows drivers to monitor their vehicle's data at a glance while driving, reducing the risk of distraction from traditional instrument panels. Technical specifications Power Supply: DC12-30V Voltage Measurement Accuracy: ±0.5V Driving Speed Accuracy: ±0.05 Km/h Coolant Temperature Accuracy: ±0.5 Celsius Color: Black Material: ABS Measurement Allowed Error: +/- 1-3 cm Installation Step 1: Plug the OBD adapter into the car. Step 2: Hide the power cord in the seam inside the car if necessary. Step 3: Plug the data port into the X70 OBD. Other information Package Contents: 1 x X70 OBD Speedometer (other products not included). Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product.