Its design is specifically for measuring voltage levels. The yellow numbers stand out conspicuously against the grey background, enhancing readability. Multiple colors are available. The number "888" indicates the reading or test value displayed on the device.
| Model Number | LD22 |
| Display Type | Digital Only |
| Accuracy Class | 0.5 |
| Operating Temperature | -25 °C~ +55°C |
| Dimensions | 28*20*46mm |
| Input Voltage | 20-500V |
| Life | ≥30,000h |
| Lamp Body Material | Plastic |