Mini projector home projector projector mini projector office handheld projector Portable:Yes;Use:Business & Education,Home,consumer electronic;Home Theater Projector:Yes;Projection Distance:6 to 54 inch projection image size;Composite AV IN:3.5mmVideo:AVI, RM, RMVB, 3G, MPG, MPEG, MP4 Projection technology:LCos optical technology ;Resolution:320*240; RGB. Brightness:6 Lumens;Contrast radio:100:1;Image aspect size & ratio:6 to 54 inch projection image size Projection distance: Min projection distance:200MM(4inch);Max projection distance:3000MM(64inch);Projection source:External Memory SD Card, AV-in, USB Host;Lens:Manual focus;Backlight type:LED Battery: Provides up to 90 minutes of playing time; Batterycharging time:approximately 80 minutes ;Mini USB port:Data transmission(Slave) and Host;Audio speakers: Embedded speaker: 8R/1W*1; Built-in speaker:3.7V/1500mAH Menu language:English, French, Spanish, German, Italian.Memory cards:SD/MMC; Support SD up to 32GB;Weight:N.W:95g; G.W:500g;