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-1/2/4 1080P30fps
H.264 1080P/H.265 4KP60pfs, etc.
8. Support audio formats: MPEG-1/2/3 etc.
9. Support image formats: JPG/BMP/PNG/GIF 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: Airplay/Miracast/DLNA
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: front/back/ceiling 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