1. Precision Design, Ingenious Quality, Clear And Sharp Picture Quality, Eliminating Defocus And Image Distortion. 2. Interface, Easy To Operate;The Remote Control Is Shipped Without 2AAA Batteries. 3. The Built-In Composite Diaphragm Speaker Puts Shocking Sound Effects Into A Small Body, And Has A Loud Sound Effect In A Small Size. 4. Large-Screen Tv Decoding Chip, Ensuring Excellent Picture Quality 5. Led Environmentally Friendly Light Source And Projection'S Unique Diffuse Reflection Imaging Principle Reduce Eye Irritation And Visual Fatigue, Making Viewing More Comfortable And Healthy. Imaging Technology: TFT LCD Light Source Type: LED Physical Resolution:320*240P Support Resolution: 1920*1080P Contrast Ratio: 800:1 Lumen: 25ANSI Input Voltage: 100~240V-50/60HZ Keystone Correction: None Languages: 14 Lamp Life: 20,000 Hours Projection Distance: 1.35--5.7m Image Size: 16-100 Inches Projection Ratio: 4:3/16:9 Complete Machine Power: 20W Projection Ratio: 1.6:1 Input Interface: Usb*1 Speaker: 4Ω 2W Interface Output: Headphones USB Interface Function: Connect To USB Flash Drive And Mobile Hard Disk (The Product Has Built-In Wireless Screen For Apple And Android Phones.) Headphone Interface Function: Connect To Small Speakers And Headphones Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. Voltage: AC100-240V Colour:As Shown Material:ABS Package Contents: 1 x Projector Host 1 x Power Adapter 1 x Remote Control 1 x English Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.