DVR 4 Channel4CH 5 in 1 Security DVR 1080N AHD NVR HD Digital Video Recorder for CCTV Security Camera System Support Mobile Phone Monitoring,Motion Detection,Real time Recording ,No HDD ANRAN (1)4 Channels 1080N DVR:Supports to Connect with 1080N,HD-AHD Cameras and Can be used as NVR &Up to 4Pcs 1080N Analog Cameras& Real-time record(with HDD), live, playback, backup, and remote access&No HDD(Can preview the Video but can't record , If you want to record,Just install HDD, Max up to 4TB.) (2)Easy Installation : Plug-in-Play for easy use; Connect DVR and Cameras with BNC video power cable, Power on the DVR and the cameras/Connect the PC& TV Monitor with DVR/Connect the Router with DVR by a Network cable, the Router must be WAN. (3)Smart Phone/Computer APP:Monitor remotely your home anywhere,anytime by installingXMeye"APP (Available on iPhone, iPad and Andriod) /"CMS"APP(Available on Computer)& Remote Access&Motion detection &Email alarm(Allows you to realize smart record When Motion is Detected ) (4)Multiple Features:Support TV,VGA or HDMI outputNoteHDMI/VGA cable is not included in the Package&Support Multiple Languages&Support IE (Internet Explore) Browser&USB2.0 interfaces for mouse connection and U-Disk to backup video. (5)Excellent service: 12 Months Warranty.If you have any problems during using 16CH Security DVR , you are welcome to Contact with us.Emailsupport@anran-cctv.com. Skype:anran-cctv. Phone:+1 818 900 5656(Available from 18:00-04:00 at Pacific Standard Time)