TOUMEI C900 Outdoor Portable Built-In Battery 4K HD Home Music Projector 1. Resolution: 960 x 540 1080P 2. Brightness: 210ANSI 3. Projection ratio: 1.07:1 4. Projection size: about 30-300inch 5. Screen uniformity: up to 98% or more 6. Battery capacity: 8000mAh 7. Charging port: Type-C 8. Use time: up to 4h 9. Core: 2G DDR+32G eMMC, 2.4G+5GWiFi+BT5.0 10. Chip: MTK9269 11. Interface: HDMI (for PS5TV boxcomputer), USB (for mobile phoneU diskmobile hard disk), Type-C (connect chargermobile power) 12. System: built-in Android operating system 13. Lens: 0.23DMD 14. Support language: Chinese, English, French, German, Korean, Japanese, Spanish, Indian and more than 30 countries 15. Remote control power supply: 2 AA batteries (not included) 16. Packaging accessories: infrared remote control, power adapter, storage box, instructions 17. Material: plastic ABS + plating + metal 18. Weight: about 630g Features: 1. High brightness light source, clear even in the daytime 2. Projection ratio of 1.07:1, the screen uniformity of more than 98%, the color gamut can reach 90%, 1 meter distance can be projected 42 inch screen 3. 80% off-axis high-precision DLP optical machine, will not heat loss of focus, not by the desktop blocking light 4. Top configuration 9-point touch control, intelligent good-looking, the use of heat-sensitive touch pad, finger-sensitive anti-mistake touch, touch one button, quick response, easy to use, convenient no remote control can also directly operate the machine 5. Focus for the upper and lower gear infinite cycle focus mode, zero obstruction, infinite cycle, feel better 6. Rounded shape, one-piece fully sealed optical lens design, to prevent lens contamination, plus vacuum coating decoration 7. DLP-3D shutter 3D display technology, support for most of the 3D format, with shutter 3D glasses (not included) to enjoy 3D movies 8. Built-in two stereo speakers, two 5W full-frequency audio, 360-degree digital surround sound support, the whole hou