Clarity 53727.000 E814CC Moderate Hearing Loss Corded and Cordless Phone Combo Digital Clarity Power Technology which increases volume for soft sounds and also decreases volume for loud sounds Amplified Volume that goes up To 40dB Digital answering system and Tone control setting theat lets you customize the amplifier for optimum clarity Dual Speakerphone (Base & Handset) Expandable Up To 4 Handsets