OMNIHIL AC DC Adapter Compatible with Polycom SoundPoint IP Universal AC Power Supply 24V DC Regulated FCC Certified ((8 Foot Long) Cord) Compatible Models: IP 331: 2200-12365-025, 2200-12365-001; IP 335: 2200-12375-025, 2200-12375-001; IP 450: 2200-12450-025, 2200-12450-001; IP 320: 2200-12320-025, 2200-12320-001; IP 330: 2200-12330-025, 2200-12330-001; IP 430: 2200-12430-025, 2200-12430-001; IP 550: 2200-12550-025, 2200-12550-001; IP 601: 2200-11601-001, 2200-11631-001; IP 650: 2200-12651-025, 2200-12651-001 ~ Adapter Rating: World Wide 120V 50/60Hz OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) FREE RETURN SHIPPING / 5 YEAR FREE WARRANTY