WOWOTO BL01 2.69 inch LCD Display 1280 x 720 HD 100 ANSI Smart LED Projector Optical parameters: 1. Display technology: 2.69 inch LCD Display 2. Brightness: 100ANSI lumens 3. Contrast ratio: 1000:1 4. Illumination uniformity: 80% 5. Color gamut: 90% NTSC 6. Native resolution: 1280x720, support 4K 7. Lamp: Led lamp 8. Lamp life: more than 20,000 hours Projection parameters: 1. Focus: manual focus 2. Throw ratio: 1.3:1 3. Projection distance: 1.2M-3M 4. Screen ratio: 16:9 5. Keystone correction: automatic vertical keystone correction(±40°) 6. HDMI compatibility: 576i、576p、480i、480p、720p、1080i、1080p、4K 7. Supported video formats: MPEG-124 1080P30fps H.264 1080PH.265 4KP60pfs, etc. 8. Support audio formats: MPEG-123 etc. 9. Support image formats: JPGBMPPNGGIF etc. System Configuration: 1. Chip: MTK MT9269 2. CPU: Quad core Cortex-A53 1.5GHz 3. GPU: G31 MP2 4. Android OS: Android 9.0 5. RAM: 1GB 6. ROM: 8GB 7. WiFi: 2.4G+5.8G dual band 8. Bluetooth: BT5.0 Special function: 1. Multi-screen interactive: AirplayMiracastDLNA 2. System upgrade: support online OTA 3. Language: Simplified Chinese, English 4. Button: power key, arrow keys, ok, return, home page 5. Remote: IR remote 6. Automatic image flip: support 7. Over-heated protect: support 8. Input port: HDMI 2.0, USB2.0x2 9. Output: 3.5 mm audio out jack for headphones 10. Projection mode: frontbackceiling mode(auto) 11. Power: 19V 3A 12. Power consumption: MAX 50W 13. Noise: 30-35db 14. Speaker: 5Wx1 15. Working temperature: 0-35 degree Celsius