•displaying is synchronized with recording •USB2.0 flash disk backup •compatible of ntsc/pal format •4channel mini dvr with 7"lcd monito •displaying &recording:120fps for pal, 100fps for ntsc •support symbian, windows, blackberry, iphone, android system for mobile phone surveillance •support chinese, english, french, spanish, russian, portuguese •support VGA output •USB mouse, remote controller, ptz control. Operation system Rtos/linux System control Remote control Compression h.264 Video i/o:ntsc:4ch bnc input/1ch bnc output Pal: 4ch bnc input/1ch bnc output Audio i/o: 1ch bnc input/ 1ch bnc output Displaying speed Ntsc:120 fps(4 x 30 fps ) Pal:100 fps(4 x 25 fps ) Recording speed Ntsc:120 fps pal:100 fps Recording mode Manual, schedule, alarm, motion &detection; Image quality:high, middle, low are selectable Recording resolution 704 x 240, 352 x 240(ntsc) 704 x 288, 352 x 288(pal) Playing mode 1ch or 4ch Search mode:by time/ event /channel Hdd Support 1pcs 1000g sata hdd(without hdd) Alarm i/o: no Network:ie/remote setup/remote ptz control/remote play back Remote control:yes Mouse control:usb1.1 mouse Usb backup Usb2.0 flash disk Ptz control: pelco-d, pelco-p, rs-485 port, zoom Language:simplified chinese, old chinese, english, spanish Monitor: 7 inch lcd monitor Power:dc 12v3a Software upgrade:usb2.0 flash disk Power supply: 12v dc Working temperature: -30°c~+60°c Working humidity: 10%-90%. N.W: 1.8kg Dimensions(l x w x h):200(l)x 160(w) x 60(h)mm Packing details: Pcs/ctn: 10pcs/ctn Kg/ctn: 21kg/ctn Dimension/ctn:59(l)x31(w)x50(h)cm.