ChallengerCableSales 36W 12V 3A DVR Reciever Switching Power Supply PS-2.5-12-3DTM for Cisco 8742HDC 9865HDC.ChallengerCableSales Model Number: PS-2.5-12-3DTMCompatible Models: Cisco 8742HDC 9865HDCSpecifications:Input:100-120V~0.8A50/60HzOutput:12V 3ATotal Output: 36W