This affordable networkable, digital recorder features stand-alone 4, 8 or 16 channel operation and easy plug and play configuration. Easy PTZ camera control by front panel buttons, Remote viewer for good picture quality through TCPIP. Comes with a USB 2.0 Thumb drive for portable drive and back up. Specifications: • MPEG 4 • BNC connection • 160 GB (4ch) • Accommodates 2 HDD up to 1TB • Maximum recording speed 120fps • Motion detection • Manual, Timer, Motion, Alarm and Remote recording modes • Pre-alarm Recording • 19V DC adapter power supply • 2x digital Zoom • Key Lock • Remote Surveillance with I.E. browser (up to 5 users) SIZE: 17" x 2 1/2" x 12" No Monitor included.