1、Support picture resolution adjustment. Support resolution of up to 1080P full HD. 2、Multi‑functional and convenient. Support small memory card input, USB input, HDMI input and VGA input. 3、WIFI wireless screen mirroring, support up and down, left and right screen flip. The projection distance is 1.2~5.5m. 4、With cooling holes, good heat dissipation, stable performance and high work efficiency. 5、With a 4Ω, 3W speaker, providing you with great auditory experience. Configuration Type Screen Mirror Physical Resolution SVGA / 800x480 Pixels Physical resolution Lamp Life and Type LED light source, above 30,000HRS LED Luminous Efficiency ~90%;1800ansi Lm Peak Brightness 55 Lx Contrast Ratio 1800:1/Static,10,000:1/Dynamic Maximum. Supported Resolution Full HD (1920 x 1080P) at 60Hz Aspect Ratio Native 16:9, compatible 4:3 Display Type Single LCD Panel Hybrid LED Light Source Imaging Optical Engine LCD Size 4in Liquid Crystal Display Projection Mode Front & Rear, support Ceiling or by MINI tripod Throw Ratio 1.38:1 Image Size (Diagonal) 28inch ~ 180inch Projection Distance 1.2~5.5m / 3.9~18ft Best Screen Size/Distance 60inch ~ 80inch / 2.2~2.6 m Support Screen Flip Up and down,left and right Projection Lens Manual lens / focus Keystone Correction Vertical: +/-15° I.R (Remote Control Receiver) x1 (Front, facing user ) Speakers 4Ω, 3W x1(SRS Sound Technology) Video Compatibility SDTV (480i, 576i) / EDTV (480p, 576p) / HDTV (720p, 1080i, 1080p), NTSC (M, 3.58/4.43 MHz), PAL (B,D,G,H,I,M,N) SECAM (B,D,G,K,K1,L) I/O Connection Ports VGA/AV/audio x1; HDMI x1; USB x1; OSD Menu Language 23 country Languages OSD Czech;Danis;German;English;Spanish;Greek;French;Croatian;Italian;Hungarian;Dutch;Norwegian;Polish;Portuguese;Russian;Romanian;Slovene;Serbian;Finnish;Swedish;Bulgarian;Slovak;Chinese_Sim.. Movie Format Support MPG,AV,TS,MOV,MKV,DAT,MP4,VOB /1080P Level Audio Format MP3,WMA,AAC,AC3,M4a(aac)… Picture Format JPG, JPEG, BMP, PNG E-book Read Format TXT, LRC, etc. Remote Control Battery AAA x 2 (Not included) Projector x 1 HDMI Cable x 1 AV Line x 1 Power Cable x 1 Remote Control x 1 Instruction Manual x 1