Description
| Technical parameter | Technical index |
| LCD display | 3 1 / 2 display |
| Power supply | 3*1.5V AAA alkaline battery |
| Operation current | Around 25mA |
| Battery life | Continuously 20 hour |
| Auto-off | 1 min. |
| LCD backlight function | 7 second |
| Operation temperature | 0 to 40℃ |
| Operation humidity | 10 to 95%RH |
| Low battery indication | 2.8V±0.2V |
| Product size | 72x35x145mm |
| Weight | 246.1g (without battery) |






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