Features: Able to automatically identify caller ID in DTMF/FSK dual system. And You can check up to 38 groups incoming call number and 5 groups outgoing call number. Support M1,M2 One touch memory function, which convenient to propose the required number. High quality voice IC chip, provide clear voice sound in hand free function.Flash Time 300 ms. Elderly friendly telephone with big buttons, which is powered by the phone line. Real-time date and week display. 8 ring melody to choose and programmable selectable tone/pulse mode. Lightweight & Simplify Design - The font on the button is clearly printed and easy for the elderly to identify. Lightweight telephone that can be placed on any surfaces. Wide Application - Support 3 programmable alarm clock settings. Compact size and big button design, suitable for family home, hotel, etc. Specification: Model:CT230C Color: Black Size: 20.8 x 16.5 x 6.5cm Package Size:21 x 17.5x 7.5cm/8.1 x 6.8 x 2.9in Package Weight:563g/19.8oz Packing List: 1 x Handset 1 x Telephone Base 1 x Coil Cord 1 x Telephone Line Cable 1 x User Guide(English)