digital voltmeter

[Obs]

right i want a voltmeter so i was having a look on ebay and saw this
http://cgi.ebay.co.uk/MINI-20Vdc-BLUE-LED-Auto-Digital-Panel-Meter-Voltmeter_W0QQitemZ150105136628QQcategoryZ41981QQc mdZViewItem
could this be wired into standard car wiring without any hassle?

[jacko103]

Yeah, you can wire it up to the cigarette lighter easily enough.

[Obs]

emailed them and they said that that one doesnt work in a car so i'd have to get the slightly bigger one