Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Zero maintenance, great features. You'll like it.

This machine appears to be an updated version of the AT&T 1725 that gave me excellent service for many years. It requires zero maintenance (no battery), and offers all the features I need at an exceedingly low price. The only complaints I have are that the button labels are too small to read in poor light and the speaker is small, giving less fidelity than I would have liked. If this unit lasts as well as the older one, I will be delighted.