you can use 9v battery or just plug in your car computer under your chair
what you bidding or buying only 1 psc used Actron CP9180 tool，
it will come with one OBD II cable
working condition
else no others come with.
good bidding.
i have other more powerfull cp9580 available at great price.
dont miss it also
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=130612870826&ssPageName=STRK:MESE:IT#ht_19371wt_1396
