Dahua DHI-NVR42A08-8P-6T 8 channel IP Camera Input 6TB Video Recorder Series: Lite Series Network Interface: 1 x RJ-45 port (10/100/1000Mbps) 8 x PoE ports (IEEE802.3at/af) Audio Input: 1 x RCA Compression Format: H.264/MJPEG Processor: Dual-core embedded processor Operating System: Embedded LINUX Power Supply: Single, AC 100~240V, 50/60 Hz NVR: 20W (without HDD) PoE: Max 25.5W for single port Temperature: -10 degree C~+55 degree C