AiM 719 to 4-Pin 712 (Auto) Adapter Cable (new) various lengths Size:2.5m You will need the pump

You will need the pump

up to 40% longer battery life compared to analog

allowing you to add 4 analog sensors even if your data logger or dash does not have analog inputs

Of course you can pick it up

which can measure vacuum

AiM 719 to 4-Pin 712 (Auto) Adapter Cable (new) various lengths Size:2.5m You will need the pumpThese adapter cables have a female 4 pin 719 (plastic snap together) connector at one end which mates to most AiM analog sensors. The other end has a male 4 pin 712 (metal screw in) connector which mates to the AiM Channel Expansion Hub, MyChron3 XG Log, or AiM EVO4 EVO4S Data Loggers. Available in 0. 5 thru 4 Meter lengths