Digital zoom in live or playback improves identification procedureOffers various user-defined multi-screensVarious search mode by date, time, camera and eventIncreased frame rate recording when motion detected or alarm activatedMultiplexer functionality with built-in digital recordingPTZ over Ethernet capability provides remote PC control of PTZ units. Storage Upgrades available up to 500GB in single unit. Up to 15 Terrabytes Maximum Storage using External Drive Chasis. The DVS8240 (8 channel) and DVS16240 (16 channel) are the standard on which all Network Stand Alone DVR units should be based. Featuring high resolution, clarity of displayed & recorded images, storage efficiency and high-speed network viewing via TCP/IP. The DVS Series digital recorders are efficient and ideal long-term recording systems for any kind of CCTV monitoring operation. The standard integral motion detector limits recording to periods when movement is detected, ensuring that the hard disk capacity is used efficiently. Without disturbing recording, live and recorded images can be viewed simultaneously on separate monitors and combined onto one monitor. No longer will users miss important events because of reviewing stored images. Replace your old analog VCRs and Multiplex Compressors with a single streamlined digital unit.