Several innovate MTX digital series gauges are "dual function" gauges-thee perfect solution to help maximize limited space on your dash All feature a water-resistant casing, interchangeable faceplates and bezels, plus locking connectors for a simplified installation. They also feature MTS serial connections to connect with other innovate devices and Log onto your pc, iPhone, iPod touch, iPad, LM-2, or dl-32. (An replacement option-2 for logging onto your Apple device is not included. Log works mobile V1.13 is required.)