Auto Meter's 5323 OBDII Splitter allows you to connect multiple OBDII devices to your vehicle's diagnostic port. This is perfect for those who want to use multiple OBDII-compatible devices with their vehicle, such as scanners, code readers, and performance monitors. The 5323 is compatible with most 1996 and newer OBDII vehicles, making it a great option for a wide range of drivers. Plus, its easy-to-use design makes it a snap to install and use. So if you're looking for an OBDII splitter that is compatible with a wide range of vehicles and devices, the Auto Meter 5323 is a great option.