X-SERIES WIDEBAND UEGO CONTROLLER FEATURES: The Fastest Responding Wideband AFR Controller OBDII pass through provides AFR readings through the factory ECU CAN-bus – Ideal for users with piggyback programmers or open source tuning software! Includes Bosch 4.9LSU wideband UEGO sensor Use the factory 02 calibration or free-air calibrate using buttons on faceplate Compatible with vehicle/system voltages up to 16V Optional outputs for 0-5V & RS232 for data logging and feedback control (requires wiring) Can display AFR values in hundredths of % 52mm gauge diameter and slim 0.825” gauge depth Gauge cup depth only .200” deep! Auto dimming feature Locking connectors AEM's 30-0306 X-Series -30in/Hg~35PSI / -1~2.5BAR Digital Boost Display gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly accurate boost pressure readouts up to 35 PSI or 2.5 BAR in their high performance vehicle. Optional silver bezel and white faceplate accessory kit available (sold separately) AEMnet CANbus-enabled for transmitting data to EMS or Data Logger 0-5v analog outputs for transmitting data to EMS or Data Logger Auto dimming sensor delivers ideal display brightness Positive locking connectors provide secure connection