Features: 51 Immo Programs(Immo On/Offs). 21 Seat Occupancy Sensor Programs. 8 Tacho Programs. The LED behavior:nojumper-diagnostic modes-it flashes every second,adjusting to the ecuflashing 0, 1second,after adjusting it lights constantly and blinks every other second. Tachometer tester programs: You can use it to tum on the instrument cluster on the table in order to diagnose faults. After connecting the emulator to instrument cluster, most of instrument cluster segments are displayed making it easier to locate damaged areas.This emulator is reusable, Testing on tacho. Specifications: Material:ABS Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x IMMO Emulator