Brand COTIER Model N4-Mini Color White Material Plastic Quantity 1 Piece Video Compressed Format H.264 Video Input 4 channel Video Output 4CH Video System PALNTSC Audio Others Audio Input 4 channel Audio Output 1CH Max Capacity 4T Interface Type Others Operating System Linux Supported Languages EnglishSimplified ChineseTraditional ChineseRussianPortugueseSpanishItalianFrenchGerman PTZ Control PTZ Picture Resolution 4ch 960P or 2ch 1080P+2ch 720P 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 Others Certification CE FC Packing List 1 x NVR 1 x Power adapter (100~240V / EU plug / 120cm) 1 x CD