1. DVD brief explanation: This unit possess high definition, circle stereo sound, compatible, with VCD/svcd/cvd/dvcd/CD/MP3 discs, use new type power supply, working voltage:100-240&or high affect CPU, chinese/english osd multi play mode: Skip/option/repeat/optional time play. Use 24bit dac/96khz sampling rate for audio output,10bit d/a transformer for video output, compatible with pal/NTSC system. 2. Unit features: 1)Compatible with mpeg-4, DVD, svcd, VCD, CD, dts, CD-R/rw kodak picture CD and MP3, etc also other kinds of media disc format; 2)Support varies angle of DVD disc; 3)Video output can be set 4:3 or 16:9, suitable for different TV screen; 4)Available pal, pal60 and NTSC output; 5)Lock function; 6)Tv screen(osd)function; 7)Stardard play; 8)Repeat play pbc, enlarge picture; 9)9 picture view function; 10)Chinese/english operation operation; 11)3d surround sound effect; 12)Superanti-shock; Unit specification: Compatible with: DVD/svcd/VCD/dvcd/MP3/CD/CD-R/cd-rw; Output jack: Video: Composite signal(av) output; Video output: Video output power:1.0vp-p(75&omega) Youtput:1.0 vp-p(75&omega) Coutput:0.286&orp-p/ntc;0.3vp-p/pal(75&omega) Frequency:20-20khz(+1db) Audio snr: > 90db Degree of distortion:&ang0.01% Power supply: Inputac90-250v/60hz(idiographic specification dazed on adaptor) output DC 12&nu 1.2a Consumption:5w Temperature:15-75oc(no freeze) Dimension:150mmx125mmx25mm Weight:286.5g