System | CPU | Dual-core A72+quad-core A53,1.8G,RK3399 |
RAM | 2GB | |
Internal memory | 16GB | |
Operation system | Android 7.1/9.0 | |
Touch | 10-Point capacitive touch | |
Display | Panel | 21.5"LCD full HD panel |
Resolution | 1920*1080 | |
Active area | 474.64(H)x 268.11 mm(V) | |
Viewing angle | 89/89/89/89(L/R/U/D) | |
Display mode | Nomally black | |
Contrast ratio | 1000 | |
Luminance | 250cdm2 | |
Aspect Ratio | ,16:9 | |
Network | WiFi | 802.11b/g/n |
Ethernet | 100M/1000M Ethernet | |
Bluetooth | Bluetooth 4.0 | |
Interface | Card slot | SD,Support up to 32GB |
USB Device | Mini USB OTG | |
USB Host | USB 2.0 | |
USB Hostx2 | USB Host 2.0 | |
USB Hostx2 | Serial port,RS232 | |
Power Jack | DC power input | |
RJ45 | Ethernet | |
HDMI | HDMI output | |
Earphone | 3.5mm earphone | |
Media plays | Video format | MPEG-1,MPEG-2,MPEG-4,H.263,H.264,VC1,RV etc.,support up to 4K |
Audio format | MP3/WMA/AAC etc. | |
Photo | jpeg | |
Other | Speaker | 2*3W |
Touch key | Power/volum+/Volum- | |
VESA | 100x100mm | |
Micphone | yes | |
Language | Multi-language | |
Working temp | 0--40degree | |
Accessories | Adapter | Adapter,12V,3A |
User manual | yes | |