DECT 6.0 Interference Free Cordless Frequency. Maximum Voice Security. Clearest Voice Reception. * Corded and Cordless Handset. Digital Answering System with Handset Access. Base Dual Keypad/Speakerphone. * Caller ID/Call Waiting. Handset Speakerphone. Call Transfer between Handsets. Intercom or Call Transfer between Handsets & Base. * 3-Way Conference Calling. 30 Name/Number Caller ID Memory. Advanced Phonebook Features_70 Names. * 3 Cordless Handsets and 3 Chargers, 1 Corded Keypad Base with integrated Digital Answering Machine, 3 Rechargeable NiMH Batteries