1. Chip: D3101D3100 2. Light source type: LED 3. Lumen: 50ANSI 4. Resolution: 480 x 360 5. Projection size: 15 inches - 80 inches 6. Keystone correction: electronic keystone 7. Focus technology: manual focus 8. System version: RTOS 9. Speaker: 4 ohm 2W 10. Power consumption: 10W 11. Voice selection: English by default, more than 24 languages can be selected, including Chinese, Russian, Korean, Japanese, etc. 12. HDMI interface: connect to computer, set-top box, game console, etc. 13. Accessories: User manual, remote control (powered by 2 AAA batteries, batteries are not included in shipment), power cord, power adapter 14. Net weight: about 285g Features: 1. The size of a mobile phone, it can be carried around, easy to store, and can also be used for outdoor camping 2. Silent gimbal bracket, 240 degrees of hovering at any angle 3. Keystone correction chip, with universal gimbal, side projection is not out of focus, corners are not blurred, correction is faster, more accurate and more convenient, freeing your hands 4. Built-in WiFi module, fast transmission, faster and more stable, HD video playback is also smooth 5. Support language switching in different countries, automatically switch to different layout modes, in line with the application habits of local people 6. Built-in surround stereo speakers, experience immersive viewing 7. With mobile phone screen projection, same screen, file transfer and other functions, it brings a more convenient smart interconnection experience 8. Low noise operation, does not affect sleep 9. HDMI+USB+AUX interface, supports multiple devices