T-Power Ac Adapter Compatible with Comast xfinity X1 Cable HD DVR Model: NO: PR150BNC P,N: D621340440 Charger Power Supply Cord T-Power (TM) Made with the highest quality Brand-new Input Voltage Range: AC 100V - 240V All our products are manufactured in compliance with US regulations, including emissions and safety standards. Compatibility: Comast xfinity X1 Cable HD DVR MODEL: NO: PR150BNC P/N: D621340440