Core Features: Rugged DECT handset with IP54 protection rating, Scratch resistant, disinfectant resistant, 1.8 128 x 160 TFT color screen with intuitive user interface, HD audio and Flexible Noise Reduction (FNR), Vibration alarm, Up to 40-hour of talk time, Up to 575-hour of standby time, Keypad backlight and keypad lock, Fully compatible with Yealink W80/W90 MultiCell System.