The FIXD OBD-II Active Car Health Monitor is a car gadget that allows you to easily diagnose and fix engine issues on the go. With no batteries needed, this diagnostic scanner is designed for convenience and ease of use. The compact size of 2.75 x 2.75 x 1.75 inches makes it easy to carry around, while the wireless connectivity allows you to use it with both Android and iOS devices. Made in the USA, this reliable tool from FIXD is perfect for anyone looking to maintain the health of their vehicle's engine.