Core Features: Seamless handover and roaming Rugged DECT handset with IP67 protection rating Scratch resistant, disinfectant resistant 1.8?? 128 160 TFT color screen with intuitive user interface HD voice and FNR (Flexible Noise Reduction) Built-in Bluetooth Vibration alarm Alarm functions for occupational safety Push-button alarm, no-movement alarm Man-down alarm and running alarm Up to 28 hours of talk time (18 hours with Bluetooth headset) Up to 360 hours of standby time 200 hours with Bluetooth headset Keypad backlight and keypad lock Fully compatible with Yealink W80 Multi-Cell