| Model | AAO215CH1-S1R33 |
| Design | Pure flat+ plastic frame design. |
| LCD Type | 21.5＂TFT-LCD ,16 : 9 screen |
| Recommend Resolution | 1920(RGB)×1080 |
| Touch panel | Capacitive Touch ( 10 point) ,with 3mm tempered glass ( AG is optional) |
| Brightness | 500 -- 1000 nits optional |
| Chip | RK3399 ( Dual Cortex-A72+Quad Cortex-A53) ,2Ghz |
| Operating system | Android 8.1 or android 10 |
| RAM | 4G DDR3 ( 4G /8G) |
| Flash memory | 16G/32G/64G |
| WIFI | Support |
| 4G Module | Support( Optional) |
| Bluetooth | 4.2 version t( Optional) |
| Light sensor | Can ajust the brightness automatically, it’s 1000 nits at day time, and turn to 400-500 nits at night. |
| Input Voltage | 110-240 VAC |
| LCD Resolution | 1920x1080 |
| Contrast ratio | 1000 : 1 (Typ.) |
| Viewing angle (v/h) | 89°/89°/89°/89° or 80°/80°/80°/80° |
| Operating System | Windows 7/8/10,Raspberry Pi |
| Interface | VGA , HDMI , LAN(RJ45) ,USB,Micro SD socket,DC 12V . |
| Touch interface | USB port |
| Speaker | 8Ω/5W ( built-in) |
| Power Supply | voltage: 12V DC, 50-60 Hz Output voltage/current: 12 volts at 4 amps max |
| Speaker | 8Ω/5W ( built-in) |
| Regular Warranty | 1 year for LCD & components |
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