, stabilized 12 DC power filter rectifier for car rearview camera. Used to supply the stabilized 12V DC power to the rear camera. To solve the issue of the "screen cyclowarp" or "black screen" when using a rear camera reversing. Professional manufacturing, high characteristic and stable performance. Easy to install, input connect with reversing light positive and negative, output wire connect with camera positive and negative. Fitment: For Germany/American Car Series Installation Method: Input Red Wire: Reversing Light Positive Pole Input Black Wire: Reversing Light Negative Pole Output Red Wire: Camera Positive Pole Output Black Wire: Camera Negative Pole size:4.8 x 2.6 x 1.5cm/1.9 x 1.0 x 0.6in Material:plastic colour:black Package Contents: 1 x Rectifier Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!