PoE support - Power Adapter Not Included 2.8' 320 x 240-pixel color LCD with backlight Built-in dual band 2.4G/5G Wi-Fi (802.11a/b/g/ n/ac) Built-in Bluetooth 4.2 Dual USB ports Up to 12 SIP accounts USB headset and EHS support Supports color-screen expansion modules Stand with 2 adjustable angles Wall mountable - Wall Mount Bracket sold separately