Digital Answering System: With 12 minutes of recording time, the digital answering system answers the call when you can't. No tapes or moving parts; Caller ID/call waiting (Use of Caller ID feature requires a subscription from your local telephone company): Know who's calling with caller ID/call waiting. Handset displays the name, number, time and date of incoming calls; Large Lighted Display: The extra large display illuminates, allowing for easier viewing in dim light. RoHS. Energy Star. VTech is committed to producing environmentally sustainable products. VTech supports RoHS initiatives by reducing the use of hazardous substances including lead, mercury and cadmium. Designed to fit your home. And your life. Enjoy the latest in cordless telephone technology. Enhanced 5.8 GHz technology. Caller ID/call waiting - stores 45 calls. Digital answering system - no tapes or moving parts. 20 Name and number phonebook directory - easily store and dial frequently called numbers. 9 Number speed dial. Any key answer. Remote message retrieval - call in from anywhere to get your messages. 12 Minutes of recording time. Audible time and date stamp on recorded messages. Backlit message counter. Large lighted display for easier viewing. Backlit keypad. Handset volume control. Last number redial - quickly redial the last 5 numbers called. WiFi friendly - won't interfere with wireless networks. Trilingual prompts - choose between English, Spanish or French. Page/handset locator. Wall mount bracket included. Package Contents: Handset and base unit; AC adapter; Battery pack; Telephone line cord; Wall mount bracket; User's manual; Quick start guide. The CS5121 is compatible with hearing aids and either pulse or tone telephone systems (see manual for details). A standard 110 Volt AC outlet and modular phone jack are required for installation. UL Listed.