This Single Camera Triplex DVR is a storage media of digital video image, which uses hard disk to store video. Available in either MJPEG or MPEG4 and both include the Cashtrac software. Capable of up to 2 HDD totally 1TB, optional CD/DVD-R/RW, built in SD Card for backup or firmware update. Powerful alarming features, LAN for Internet connection along with a powerful remote viewer for control, programming and backup. Full Exception processing and remote text search make this unit perfect for ATM or single Cash Register applications.