In Good condition. Comes with the Gas Probe, Connectors, 2X Pleated filters, original carrying case, 2nd market portable printer and usb cable only. It is missing a usb wall charger however however since its using a usb cable, it can easily be charged with any USB wall plug; 5v / 0.5-1.2A).

Please note, this is the Optima7 Version NOT the newer Optima7 BioGas model. 

Note the analyser tube / gas sensor will need replacing, hence the lower price

For Commercial Gas Engineers only