Features: 1. Mini Portable Appearance: 139mm*90mm*50mm in size, children can even hold it with just one hand. Cute rounded corner design prevent children from hurt in accident. 2. Scientific Brightness For Eyes: 400-600 lumens is the optimal brightness viewing, they wont feel fatigue even watch for a long time. 3. Large Screen Projection: It can project 80 inch large screen at about 3m distance, the projection size varies from 20inch-80inch while the projection distance varies from 0.8m-3m. 4. Multiple Interfaces For Connection: HD Multimedia Interface, USB , AV ports and TF card slot are available, you can connect it with different devices like PC, smartphone, tablet, digital camera, TV box, DVD, etc. 5. Speakers built-in projector: no need connect with any extra speakers 6. Amazing Effect With Long Lamp Life: 320*240 Native resolution, supports max 1080P videos playing, present you true to life image with 800:1 contrast ratio and 16.7 million displayable colors. Its lamp life over 20,000 hours, no need to changing lamp for over 10 years Specifications: Projection Display Technology: Monolithic LCD Lens: Two transparent film with two transparent films Motherboard chip: multimedia chip, hard solution 1080 audio and video files Resolution: 320*240 (supports 1920*1080) Brightness: 400-600 domestic nominal lumens Uniformity: greater than 85% Color gamut: >=100%NTSC Standard color temperature: 6400K Contrast 1000:1 (FOFO) Projection size: 20 inches - 80 inches Offset: OFF-SET: 80% Projection mode: front projection, rear projection, lifting, back projection Port port: AV, TF, USB, DC12V2A Output port: High Definition Multimedia Interface, headphones Video signal: avi. wmv. ts. mpg. mp4. flv. vob. mkv. divx. xvid. mov. rAudio signal: mp3. wma. aac. ogg. pcm. m4a. ac3. wavImage format: jpg. jpeg. png. bmp. gif. tiff. pcx. tga. exif. fpx. svg. psd. PMP performance: Support MP4 (1080P) MP33D: red and blue format 3D Size: 130*90*50mm/5.1x3.5x2in Weight: 0.29KG LED life: more than 20,000 hours, high efficiency ledIn the original GM40 design, the brightness is increased by 20% Package Contents:1 x Projector 1 x 3 In 1 AV cable 1 x Remote Control 1 x Power Adapter (EU Plug)1 x User Guide