Almost brand new, I brought this 2 weeks ago to tune my 1.8T converted golf mk1 and used it for no more than 4 hours to tweek some fueling so its hardly had any use . it comes with all the original packaging,sealed accessories (lambda boss,connectors,etc all unused and sealed) SPECIFICATIONS · X-Series Wideband UEGO AFR Controller Gauge were fastest responding wideband air/fuel ratio controllers in an independent test vs. 17 competitor wideband AFR controllers · Includes Bosch 4.9LSU wideband UEGO sensor · Factory calibrated resistor does not require free-air calibration, but technology allows for free-air calibration as sensor ages if user desires · Compatible with vehicle/system voltages up to 16V · 0-5V & RS232 output for data logging and feedback control, AEMnet (CANbus) for data logging and daisy-chaining multiple controllers up to 16 cylinders · 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 · User configurable display via buttons on the gauge face for changing AFR values, Lambda and O2%, and 3- or 4-digit display · Black bezel and black dual faced faceplate included (gauge only, silver bezel/white gauge option sold separately, PN 30-0300-ACC) · Locking connectors · Display Gasoline values from 8.0:1 to 20.0:1 AFR · Display Lambda values from .55 to 2.00 · 0-5V Output Gasoline values from 8.5:1 to 18.0:1 AFR · CANbus Output Gasoline values from 8.0:1 to 20.0:1 AFR · CANbus Output Lambda values from .55 to 2.00 · 0-5V Output Lambda values from .58 to 1.23 · 0-5V Output E85 values from 5.7:1 to 12.0:1 AFR · 0-5V Output Ethanol values from 5.2:1 to 11.0:1 AFR · 0-5V Output Methanol values from 3.75:1 to 8.0:1 AFR Looking for £135 including postage or collection from Aylesbury, Buckinghamshire {} {} {} {}