Mini Projector Support 1080P Wireless HD USB Portable Cinema Projector Home Theater System Support 3 Features: 1. Mini Portable Appearance: 139mm*90mm*50mm size, kids can even hold it with one hand. The cute rounded corner design prevents accidental injury to children. 2. Scientific eye brightness: 400-600 lumens is the best viewing brightness, and you will not feel tired after watching for a long time. 3. Large-screen projection: It can project 80-inch large screen, the distance is about 3m, the projection size ranges from 20inch-80inch, and the projection distance ranges from 0.8m-3m. 4. Multiple interface connections: HD multimedia interface, USB, AV port and TF card slot, you can connect different devices, such as PC, smartphone, tablet, digital camera, TV box, DVD, etc. 5. Built-in Speakers - Projector: No need to connect any extra speakers 6. Amazing effect of super long lamp life: 320*240 native resolution, support max 1080P video playback, with 800:1 contrast ratio and 16.7 million variable Display colors to present you with realistic images. Lamp life is more than 20,000 hours, no need to replace the lamp for more than 10 years Specifications: Projection display technology: single-chip LCD Lens: two transparent films with two transparent films Motherboard chip: multimedia chip, hard solution 1080 audio and video files (Support 1920 * 1080) Brightness: 400-600 Domestic nominal lumen uniformity: greater than 85% Color gamut: >=100% NTSC standard color temperature: 6400K contrast ratio 1000:1 (FOFO) Projection size: 20 inches-80 inches