Fanvil W611W - Portable Wi-Fi IP Phone, IP67 Protected, 200 Standby time, 4 SIP lines 2.4" 240 x 320 color screen with intuitive user interface High protection level of IP67, which is waterproof, dustproof, and drop-safe from 1.8-meter height Support dual-band Wi-Fi 802.11 a/b/g/n/ac/ax (Wi-Fi 6, 2.4GHz & 5GHz) Support IEEE802.11k/v/r roaming Support WPA / WPA2-PSK and 802.1X EAP encryption to ensure communications security Support distance sensor and self-adaptive light-sensing screen will be off during a call on the handset One configurable push-to-talk (PTT) button for quick dial Up to 9 hours’ talk time and up to 200 hours standby time