1. Projection technology: DLP
2. Adjustment function: manual focus adjustment
3. Drop screen size: 30 inches-300 inches
4. Display scan frequency: 67.10Hz
5. Power supply: 5V 3A
6. Operating system: Android 9.0
7. Optical machine: DLP (0.2 DMD)
8. Resolution: WVGA 854 x 480
9. Image size: 33.5 1m
10. Keystone correction: horizontal side projection 40 degrees, vertical 45 degrees, four corners adjustment
11. Main chip: Quad-core ARM Cortex-A55 CPU
12. Processor: ARM Mali-G31 MP2 GPU
13. Running memory: 2GB/4GB LPDDR4
14. Read-only storage: 16GB/32GB EMMC
15. WiFi: 2.4G/5G 802.11a/b/g/n/ac
16. Bluetooth: 5.0
17. Video decoding: H.265 HEVC 4K x 2K 60fps
18. Video/picture format: mkv/wmv/mpg/mpeg/dat/flv, avi/mov/iso/mp4/rmvb/jpg
19. Sa