IP67-rated waterproof and dustproof, drop proof up to 1.8 meters 2.4' 240x320 TFT color screen Up to 13-hour talk time (Laboratory data) Up to 300-hour standby time (Laboratory data) Red emergency button and automatic alarm Antibacterial design, chemical cleaning resistant Dual Band 2.4G/5G Wi-Fi 802.11 a/b/g/n/ac/ax Support IEEE802.11k/v/r roaming Bluetooth 5.0 for headset HD audio, noise cancellation and acoustic shield TRANS and Mute keys Up to 4 SIP accounts Local 5-way conferencing No Perception Upgrade Type-C charging Wall mountable Support YDMP/YMCS