Instruct: Classify Amazon reviews into positive or negative sentiment
Query: panasonic best in multi line phones,,Amazon best in price always

Panasonic KX-TG4500B 5.8 GHz Expandable 4-Line Multi-Handset Cordless System with Caller ID and Answering Systemthis is the latest in over 15 years of panasonic multi-line phone systems in my 3 stores plus my home the single master and 4 line remotes are great you can answer or call on any of the 4 lines and be even 100ft. away the are very durable we get about 6 to 8 years out of the system in a rough service enviroment .each replacement is better than before. And Amazon saved me over $ 225.oo from so caled phone discounters we use all 8 remotes they take a licking and keep working