ZOSI 8CH Ultra 4K High Definition DVR with 8PCS 4K(8. 0MP) Cameras One 4K Camera= Four 1080P Cameras 36pcs Infrared LEDs enable long night vision distance up to 100ft. 4K Ultra HD in infrared night vision surveillance camera captures crystal clear video evidence of theft and vandalism that occur in low-light conditions H. 265+ Video Compression , Save Space, Save Money, Record Longer This professional security camera system features fully optimized H. 264 compression. This is the highest and most efficient of the compression technologies, allowing you to save up to 50% more storage space. This also improves bandwidth efficiency and lets you maximize your 4K NVR and 2TB HDD storage space H. 265+ 8Channel 4K DVR Specification: Operating System: Embedded LINUX OS Compression Format: H. 265+ Encode capacity 8*8. 0MP@15FPS Video Input: 8 Channel Video Output: 1CH HDMI+1CH VGA+1CH BNC Audio Input: 8CH RCA Audio Output: 1CH RCA Trigger Event: Recording, PTZ, Tour, Alarm, Video Push, Email, Spot, Buzzer and Screen Tips Internal Hard drive: 1 SATA Port, Up to 8TB Recording Modes: Manual/Motion/Schedule/Recycle (easily find and playback your security footage by searching a specific channel using date or time) Remote Operation(3G/4G/WiFi): Via http using IE and iPhone, iPad, Android and PC Client 4K 8. 0MP Bullet Camera Specification Image Sensor: 4K (8 Megapixel) 1/2" CMOS Sensor with ICR 4K UHD Resolution (3840x2160) Lens: 3. 6mm 36pcs IR leds, Night Vision up to 30m (100ft) Material: Aluminum casing IP67 Weatherproof Package Contents 1 x H. 265+ 8CH 4K DVR 8 x 8. 0MP Bullet Cameras 8 x 60FT CCTV cable for cameras 3 x 12V/2A power supply 2 x 1 to 4 power splitter cable 1 x 2TB Hard Drive No include IR REMOTE CONTROL