Dect 6.0 GHz Digital Cordless Telephone offers a Call Waiting/Caller ID that stores 50 calls, and special feature that allows you to easily change handset back graphic using one of five included inserts. Customize your own graphics with a free online tool. Your calls are digitized and encrypted, making it nearly impossible for anyone to eavesdrop. Telephone will not interfere with wireless networks or electronic devices. Telephone features page/handset locator, any key answer, last number redial, 50 name/number phonebook, handset volume control, English/Spanish/French prompts, selectable ring tones and voicemail waiting indicator. Energy Star qualified.