... 4 channel DVR Support Email alarm DVR Support Multi-language OSD Menu 2 Years Warranty CE FCC ROHS Promotion surveillance dvr 4 ... channelPromotion surveillance dvr 4 channelFeatures: Adopts the standard Main ... Camera, Zoom Camera, PTZ High Speed Camera, Wireless CCTV Camera,IP CCTV Camera.Stand alone DVR ... , DVR Kits... Promotion surveillance dvr 4 channel