Digital standard   LCD blue back light   Max. range   VIP setting       Max. handsets   Polyphonic ringtones   Max. talk time   Max. Stand-by time       SIM card reader   Text SMS   Handsfree   Caculator         Phonebook memories   Caller memories   Full duplex         Technical Specifications Operation time: Standby up to 120 hrs; Talk time: up to 15 hrs Charging time: 15 hrs Power supply: Base input: 9V DC/300mA Handset: Ni-Mh 3.6V/800mA Specifications and features subject to change without notice