An advanced data logger that keeps a record of up to 50 previous runs. It includes features such as RPM and water temperature monitoring in addition to dual EGT. You can set warnings for each setting including water temperature, RPM, and EGT. The screen flashes red if there is something wrong with the engine. Effective EGT temperature range is 250 to 2100 °F. Effective water temperature range is 32 to 482 °F. Requires 12VDC power. Measures 4 7/8" L x 7/8" W x 2 5/16" H.