Description Features: Power your 12v devices on thegos with this convenient obd power converter perfect for truck and bus owners. Enjoy a stable and reliable power output for your devices with this efficient voltage reduction technology say goodbye to voltage fluctuations. Designed for truck driver and fleet managers who need to power their devices easily connect to your vehicles diagnostic port. Create a convenient power source for your devices during long trips and business travel enhances your travel experience. Built in circuitry protects against excessive load and maximizes energy utilization enjoy peace of mind while saving energy. Specifications: Material:Plastic Size:Approx.85x46x25mm/3.34x1.81x0.98inch Color: Black Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Voltage Reducer