HD 1080 Record 4 Channel Tribid /AHD /HD-TVI /Analog DVR Full HD 1080P Livew View & 15FPS 1080P Recording 4CH Audio, E-Sata MAC & WindowsFeatures:Full HD 1080p Real-TimeLive viewing 1080p AHD / 720p AHD / HD-TVI / 960H / D1Video Format Auto DetectionEmail notifications with image captureMobile push alarm service of motion and alarm eventsRemote Monitoring of Live and recorded video via Mobile APP1 x external eSATA port providing additional hard drive spaceDigital Zoom (x2, x4, x8) in Live & PlaybackFull Channel Audio RecordingDual Streaming to conserve bandwidthFull HD cameras and backwards compatible with older Analog cameras Specifications:Image Sensor Video: NTSC / PALSystem Video Input: 4CH BNCVideo Output Video: VGA and HDMI (upto 1920 x 1080i)Support Type Audio: TVI(1080P) AHD2.0(1080P), SD(D1&960H)Input / Output Sensor: 4CH RCA / 1CH RCAInput / Output: 4 input / 1 outputExternal Port: RS485 / USB (Front : 1port, Rear : 1 port)Internal HDD: 2 TBe-sata: 1 (for only recording, not support backup)Digital Zoom: 2x, 4x, 8xPrivacy Mask: YES (per channel)Resolution: 60fps@1080p / 50fps@1080p@ Frame Rate: 120fps@720p / 100fps@720pQuality: Super, High, Middle, LowRecord Mode: Manual, Schedule, EventPre/Post Recording: 5 ~ 300 secSearch Mode: Time table, Go-To, Event, PreviewPlayback Speed: 2x/4x/8x/16x, Field Step, PauseRemote Notification: Email message, Push serviceWeb Service: Two-way audio, P2P, Timezone, DSTFirmware Update: USB Flash Stick / NetworkWatchdog: YESAccount: 10 users including 1 administratorPower Source: DC12V 2ADimension Operating: 30(W) x 21(D) x 4.5(H) CmEnvironment: 30 ~ 80% RH, 5C~40C(41F ~ 104F)OEM-CCS