Feature: 1. With stereo speakers, surround sound quality, support 576P / 720P / 1080P. 2. HDR10 technology, restore picture color. Brightness increased by more than 20%. Using HDR10 high dynamic range video decoding, the image details are richer. Effectively reduce visual fatigue and take care of children and the elderly. 3. It is easy to project a giant screen of 30-120 inches (the best projection size is about 50 inches) by adjusting the distance. Whether it\u0027s watching a movie, listening to a concert, playing a game, just do what you want. 4. Internal efficient cooling system ensures smooth and stable operation for a long time. External metal design, not easy to deform, safe for long time use. 5. The focal length can be adjusted according to personal preference settings. With remote control, easy to adjust. Specification: Description: This projector can be connected to a computer or TV. Supports home and small office use. It supports 1080P and 720P screen display for easy use. Features: With stereo speakers, surround sound quality, support 576P / 720P / 1080P. HDR10 technology, restore picture color. Brightness increased by more than 20%. Using HDR10 high dynamic range video decoding, the image details are richer. Effectively reduce visual fatigue and take care of children and the elderly. It is easy to project a giant screen of 30-120 inches (the best projection size is about 50 inches) by adjusting the distance. Whether it's watching a movie, listening to a concert, playing a game, just do what you want. Internal efficient cooling system ensures smooth and stable operation for a long time. External metal design, not easy to deform, safe for long time use. The focal length can be adjusted according to personal preference settings. With remote control, easy to adjust. Highlights: Resolution Native: 480*320, support 720p 1080p Brightness: 500 lumens Contrast ratio: 1000:1 LED lamp: 30000 hours Projection Screen Size (inch): 30-120inchs (the best projection size is about 50 inches) Projection Distance (m): 1.2 ~ 3.6meter Audio Formats: MP3, AAC Picture Formats: JPG , BMP , PNG Specification: Model: SD40 Color: Gray Power Supply: AC110V~ 240V 50Hz\60Hz Technology Type: LCD Panel + LED Technology Multimedia Interface: 1 * USB, 1 * HD, 1 * 3.5mm Audio port, 1 * Power supply port Speaker: 3W Remote control battery: 2 * AAA batteries (not included) Item Size: 14 * 10.2 * 5.8cm / 5.51 * 4.02 * 2.28in Item Weight: 356g / 12.56oz Package Size: 20.5 * 18.5 * 8.2cm / 8.07 * 7.28 * 3.23in Package Weight: 674g / 23.77oz Package List: 1 * Projector 1 * Plug 1 * remote control 1 * Instruction manual (English) Package List: 1 * Projector 1 * Plug 1 * remote control 1 * Instruction manual (English)