The Smpl photo phone is amplified making it ideal for hard-of-hearing and for those who wear hearing aids. It has an adjustable earpiece that has 4 volume levels and a 3-level ringer volume so it can be heard from far away. In addition, it has a flashing incoming call light and a bright call indicator light to alert the hearing impaired and easily locate the phone at night. No power required as it works off any home phone jack. For a simple, one touch phone call to those you want to reach most often, just insert photos using the provided template. FeaturesRugged ABS plastic case and buttonLast number redial and call waiting/flash buttonsHearing aid compatibleCompatible with most senior facilities.Works with existing answering machinesDesk or wall mountable and no AC power requiredSix, one-touch photo keysEarpiece has 4 volume levels - up to 23 db louderHands-free dialing with large button keypadDeep handset cradle minimizes unintentional dislodgeLoud ringer volume and visual incoming call flasherSpecificationsWeight: 1.4 lbs