1)network,remote-control 2)16ch ,with audio 3)25*16FPS (PAL) , 30*16FPS (NTSC) 3)2 HDD,DVR-RW DVR, CCTV DVR,16ch DVR,Security DVR ,stand alone dvr,network dvr,realtime DVR ,SAV-DH811616 CH H.264 DVR25*16FPS (PAL) , 30*16FPS (NTSC)Record Frame Rate :200FPS@CIF , 50FPS@D1(PAL)240FPS@CIF , 60FPS@D1(NTSC)Manual / Sensor /Timer / Motion detection,networksupport 2 HDD ,DVR-RW could beCE\FCC Approved