| Model | DD21.5S-2 |
| Display | 21.5" |
| Resolution | 1920*1080 |
| Brightness | 300cd |
| Contrast Ratio | 1200:1 |
| Coloration | 16.7M |
| Response Time | 8ms |
| Viewing Angle | 178°(H/V) |
| CPU/Chipset | NT68676, T10, T20, RK3368, RK3188, RK3288, RK3399, J1900, Core I3, Core I5, Core I7 |
| Memory | Android: 1GB, 2GB / Windows: 4GB, 8GB |
| Storage | Android: 8GB / Windows: 128GB |
| Wifi | 802.11 b/g/n |
| OS | Android or Windows |
| Interface | Android board: USB*2, RJ45*1, SD*1, HDMI*1/ Windows board: USB*4, RJ45*1, HDMI*1, VGA*1 |
| Touch | Non-touch/ Capacitive Touch/ Infrared Touch |
| Speaker | 2PCS Built-in Speakers |
| Power Supply | 100-240VAC, 50/60Hz |
| Audio Format | MP3,WMA,WAV,etc |
| Video Format | AVI,MP4,3GP,MVB,WMA,MTV,MOV,MPG,MKV,etc |
| Image Format | JPGE,PNG,BMP,GIF,etc |
| System Mangement Mode | Centralization of management,Group Management, Multi-user Management, Remote Control, Time Switch |
| Remote Control Mode | Remote Auto Time Switch, Remote Auto Update, Remote Monitoring |
| System Playing Mode | Support Loop, Time, Spot Announcement |
| Security | Softdog, Log In Pass Word, Control Pass Word, Authority |
| Operation Temperature | -10-50ºC |
| Color | Black |
| Accessory | Power Cord, Wifi Antenna,etc |
| Packing | Wooden Case, Carton,Flight Case,etc |
Complaint
