PwrON 6.6 FT 12V AC to DC Adapter Charger for Polycom SoundStation 2W SoundPoint Pro SE-220 300 501 IP Conference Phone Power Supply AC Input: 100 ~ 240V 50~60Hz Max DC Output: 12V 1A,Plug Tip Size:5.5/2.5 mm Cord Length: 6.6 FT/2 M Compatible With: Polycom SoundStation 2W & SoundPoint 300 301 500 501 Pro SE-220 SE-225 Power Supply Only , No POE or LIM included.PLS check the DC port Diameter of your POE or LIM,May have different size other than 5.5/2.5mm,THX!