Power Supply,48 Volt Power Supply | Power Adapter Compatible with VOIP Polycom IP Phones VVX 300, 301, 310, 311, 400, 401, 410, 411, 500, 501, 511, 600, 601, 611, 1500 2200-46170-001
✔Conforms to UL Safety Standard 1310, Safety protection: Products are CE FCC RoHS Certified for Safetytested by the manufacturer to match and / or exceed the OEM specifications. Provides Over Voltage Protection, Over Current Protection, Short-circuit Protection.
✔You'll get a polycom 48v power supply adapter , 30 days to return the product, 12 months to exchange it, and 24-hour customer service.