TRADITIONAL MECHANICAL RINGER: Original chime 'Mechanical’ ringer are clear and sweet, it will take you way back into old times when our vintage phone rings; Power Sources: No batteries,no external power supply,plugs directly into your wall jack and our 1960's phone work on any standard home telephone line; VINTAGE DECORATION: Its classic antique design makes a strong ambience of fashion nostalgia,this old time phone will add a vintage touch to your decor for home,bar and cafe.Also be used as props in movies or stage shows; HIGH QUALITY MATERIAL: Made from ABS engineering plastics and zinc alloy, Sangyn old fashioned phone is high density and not easy to damage while dropping.Last Number is for redial; 100% SATISFACTION GUARANTEED: We are certain you will enjoy your retro rotary telephone.if you are unsatisfied with it for any reason, we will refund you full.