Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Poor performance

Unexpected, very poor performance. There is only 30 day warranty. Naturally, the unit crashed on day 33!. Could not install drivers; the CDRW would not recognize software, and the software could not recognize the recorder. Poor service from customer service requiring all payment of postage/handling which would amount to approx $... or possibly more. Also, if tested on tech support's equipment and found to be working without problems, the customer will have to pay for a minimum check up fee of $.... Not worth the hassle and more money. The Q in QPS stands for quality, which they couldn't provide either in equipment or customer service.