Evertech 4 Channel Real-time Analog DVR H.264 Full D1 High-definition - NO HDD Included 8 Channel DVR can support maximum 8 high resolution security cameras at the same time (sold separately) Compatible with all 1080P,960P,720P,TVI,AHD,CVI and Traditional Analog Cameras User Friendly and quick remote access through mobile phone using QR Code with your Mobile App This listing doesn't include the Hard Drive. 1 Year Warranty only if you purchase from Evertech USA Corp.