Ad said try power meter risk free for 30 days for $9.95 I searched the web pages for a gimic to this, there was none, so I ordered it, the next day there was a charge of $89.75 on my visa didn't notice the charge till 5-4-10 called number on charge on hold for 10 min no answer from anyone hung up WON'T ORDER FROM ON LINE AGAIN TOO MANY CROOKS