| Brand | Unbranded |
|---|---|
| Type | Voltage Detector Meter Voltmeter |
| Model | B20 |
Check the listing for details. 2PCS Electric Circuit Tester Smart Digital Voltage Pen Detector NonContact 1000V. Condition: New. Listed at 21.89 USD. Electricity Detector Pen 2. Live zero fire identification : electric pen inserted into the socket for identification, the screen lights up red and buzzer alarm sound, is the fire line, the screen lights up green without buzzer alarm sound, is the zero line.