4in1 Recharge Battery Optical Power Meter Visual Fault Locator Cable Tester 5km 20km 30km VFL

20T : -70～+10dBm , FWP 20C: -50～+30dBm

This is a new power meter with the following features:

1. Short press to switch wavelength, long press to enable wavelength identification function

2. Long press to store the measured value, short press to view the storage function

3. Short press to switch unit and view Ref setting value

4. LED lights

5. Red pen light

6. Network cable test function

Welcome to buy.Thanks.