Large Display Screen and Buttons - Integrated Digital Answering Machine with Slow Playback Function - Extra Loud 50d - B Volume3 Picture Keys with Speed Dial - Slow Talk Mode for Real Time Voice - Help Call Button - XDECT Digital Technology Phone System - Designed and Engineered ...Large Display Screen and Buttons - Integrated Digital Answering Machine with Slow Playback Function - Extra Loud 50d - B Volume3 Picture Keys with Speed Dial - Slow Talk Mode for Real Time Voice - Help Call Button - XDECT Digital Technology Phone System - Designed and Engineered in Japan - Hearing Aid Compatible (T-Coil)7 Day Battery Standby Time - Up to 10 Hours Talk Time - Multi Handset Capabilities - Call Block PROFlash Button (Call Waiting Compatible)Keypad Lock - Handsfree Speaker - Battery Level Indicator - Do Not Disturb Function - Handset Conferencing50 Caller ID* Memories and 200 Phonebook Entries on each Handset - Text to Speech (TTS) Technology - Talk Time: Up to 10 Hours - Standby Time: Up to 7 Days - Dimensions – Handset & Main Base Unit: 180mm (H) x 180mm (W) x 130mm (D)Weight – Handset & Main Base: 500g - SSE07 Extra Handset Dimensions: 200mm (H) x 70mm (W) x 90mm (D) Weight: 210g - HS910 – HEADSETLightweight design2.5mm / 3 pin Connection120cm Cable - Suits all Headset Compatible Uniden Cordless Phones