Expandable digital cordless phone has an all-digital answering system, DECT 6.0 Plus Technology, Intelligent Eco Mode and three handsets. DECT 6.0 phones won't conflict with common wireless devices such as 2.4GHz routers, wireless keyboards and mice, microwave ovens. Eco Mode automatically lowers the power consumption when you are using the handset close to the base unit for prolonged battery life. Digital phone also features four-way conference capability, Call Waiting, Caller ID with 50 stations, light-up indicator with ringer/charge alert, 16 digit x 3 line LCD, lighted handset keypad, handset locator, handset intercom, 60 channels, 13-hour battery life for talking, 11-day battery life on standby, clock, four-step talk volume, six-step speaker volume and 10 ringer patterns. Digital phone is expandable up to six handsets. Phone includes a belt clip.