I received one over a year ago but could never see anything without strong back lighting of the target, which makes it self defeating. The ATN rep said I had to turn the unit on ever couple of weeks or it might stop working (huh?). I tried to send it back for warranted repair but was informed my recall authorization had been rescinded. After five months of not answering my followup queries, I was finally informed my authorization was still in effect. I mailed it to ATN at my own expense nearly a month ago and am still awaiting repair or replacement.
Pros: low price
Cons: does not work
This review was written in the old system and had content requirements that are different than reviews written today.