Caption Call is a 40dB amplified telephone for people with hearing loss that displays captions of what callers say on a large, easy-to-read touchscreen. CAPTIONCALL IS AVAILABLE FOR THE U.S. ONLY. What you need: Hearing loss necessitating your use of the service. High speed Internet connection. Standard home phone connection. CaptionCall Telephone Features: This state-of-the-art yet surprisingly simple telephone empowers you to communicate more confidently with friends, family, or coworkers. The CaptionCall phone provides: Familiarity: CaptionCall works like a regular phone. Just dial and answer phone calls like you always have. Automatic captioning: No need to dial additional numbers to use the captioning service. Free service: Captioning service is funded by the FCC so no new bills or monthly charges. Large text: 7" screen with adjustable text sizes make it easy to read every word. Location flexibility: Set up your phone using a wired or wireless Internet connection. Touch to call: Make calls quickly and easily with a simple touch of the screen. Saved conversations: Choose to save the captioning from conversations for later review. Customizable audio: Easily adjust ringer and handset volume and customize frequency amplification. Saved volume settings: Volume settings can be customized and saved to provide the best experience on every call. Telecoil loop connection: For hearing aids with a telecoil option. Secure captioning: Enjoy a safe, encrypted FCC-regulated transcription process. The CaptionCall phone will receive periodic automatic updates via the Internet. Just keep your CaptionCall phone connected to receive these updates. These periodic updates will contain new features and enhancements to your CaptionCall phone to provide you the best caption telephone experience available. POWER: 120V AC power. WARRANTY/GUARANTEE: As stated by the manufacturer.