8ch stand-alone dvr Language: chinese, english Recording rate: 240fps (ntsc), 200fps (pal) Display rate: 240fps (ntsc), 200fps (pal) Video input: composite:1.0v p-p/75+, bnc*8 Video output: composite:1.0v p-p/75+, bnc*1, vga*1(optional) Audio input: bnc connector*8 Audio output: rca connector*1(audio output);rca connector*1(output) Alarm input: no voltage contact to close, always open or close, 8ch input Alarm output: no voltage contact to close, always open, 4ch output Display resolution: 704-576 Record resolution: cif:352-288 Hd1:704-288 D1:704-576. N.W: 7kg G.W: 7kg Dimensions: 432*375*96 mm.