The ANCEL AD310 Classic Enhanced Universal OBD II Scanner is a corded electric device with a 2.4-inch screen size. It is designed to diagnose engine faults and display fault codes using its OBD interface. The scanner is manufactured by ANCEL and comes with a lithium-ion battery requiring 12 volts of operating voltage. With a compact product dimension of 8.9"L x 6.9"W x 1.4"H, this scanner is lightweight at 8.4 ounces and operates on a Linux operating system. It is an essential tool for car maintenance, especially for checking engine issues and displaying fault codes.