SINOTIMER ST17V AC Voltage Signal Indicator 22mm Square LED Digital Display Voltage Head AC 60-500V(03 Blue)

1. Easy to install, simple to use, no complicated steps
2. Energy saving and environmental protection, stable performance
3. Ambient temperature: 0-50 degrees Celsius
4. Voltage range: 60-500V AC
5. Accuracy: +/- 2%
6. Weight: about 28g
7. Opening size: 22mm
8. Overall size: about 2.8 x 5.1 x 2cm