... ,15" monitor and accessory 2)Easy to install and operate 4ch waterproof cctv surveillance systemPackage included:1). 1 X H. ... per second, 16 bit per sampling pointOperating system: Embedded real-time operating system (RTOS)Hard Disk:4CH Support 1*SATA ... card, CCTV KIT, Wireless surveillance systerm, LCD and Monitor, lens, cctv accessory etc.Company websites www.elpcctv.com 4CH security cctv system ELP ...