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| Specification | Hong Kong China Electric Manufacture Co., Ltd.20T1F | Hong Kong China Electric Manufacture Co., Ltd.40D9 |
|---|---|---|
| Automatic brightness control | FalseSource | FalseSource |
| Automatic brightness control enabled | FalseSource | FalseSource |
| Declared aspect ratio | 12/30/1899Source | 16:9Source |
| Display technology | LCDSource | LCDSource |
| Integrated occupancy sensor | FalseSource | FalseSource |
| Manufacturer named in archive | Huike Electronics (Shenzhen) Co., Ltd.Source | Huike Electronics (Shenzhen) Co., Ltd.Source |
| Native vertical resolution | 768 pixelsSource | 1080 pixelsSource |
| Passive standby power | 0.3 WSource | 0.3 WSource |
| Screen diagonal | 20 inSource | 40 inSource |
| Tested on-mode power | 23.2 WSource | 48.1 WSource |
| Viewable screen area | 683 sq inSource | 683 sq inSource |