" Color: Black - Displays car's voltage and speed - With 1.6"" LED display - Working voltage: DC 8~16V - Working temperature: -30~80 degree - Displays voltage range: DC 8~30V - Power: Less than 1.5W - Speed range: 0~255 M/H - Cable length: 90cm - Comes with double sides adhesive tape mirror film & English user manual"