The WheelWitness HD PRO Mark II is a high-performance dash cam that provides the best in video quality and reliability. This premium dash cam features Sony’s STARVIS sensor, which allows for crisp image capture even in low light conditions. The STARVIS sensor also reduces “noise” from the image, resulting in exceptional clarity of your recorded footage. This camera has TWO super capacitors instead of a battery to ensure continuous and safe shutdown without the unreliability of the batteries. As well as a new design that sets it apart from the competition. This model has been upgraded to include an optional second camera for those interested in capturing their rear view which will provide the same beautiful 1080P image quality. In addition you can also add the optional GPS module. We are USA based company so you know you are getting a reputable product with support!