Model N6200-4E Color Black Material Plastic Quantity 1 Piece Video Compressed Format H.264 Video Input 4 channel Video Output 4CH Video System PAL Audio OthersG.711 Audio Input 4 channel Audio Output 1CH Max Capacity 4T Interface Type OthersE-SATA Operating System Linux Supported Languages English PTZ Control PTZ Working Temperature -10~55 ? Working Humidity 10%~90% Storage Temperature Yes Network Interface RJ45 USB Port Qty 2 Set Power Adaptor Yes Plug Specifications EU Plug (2-Round-Pin Plug) Rate Voltage 5V Rated Current 2 A Power 10 W Power Supply OthersAC 100~240V Packing List 1 x NVR 1 x 100~240V EU plug power adapter (110cm) 1 x Software CD