2026 ANENG B21 Voltage Tester Pen Non Contact AC 30V -1000V Voltage Rechargeable NCV Wire Detector Breakpoint Lookup Electrician Tools Digital Display

2026 ANENG B21 Voltage Tester Pen Non Contact AC 30V -1000V Voltage Rechargeable NCV Wire Detector Breakpoint Lookup Electrician Tools Digital display

Product Overview

The ANENG B21 is a professional-grade voltage tester pen designed for electricians, maintenance technicians, and home DIY enthusiasts. Combining non-contact and contact measurement modes, it delivers safe, accurate AC voltage detection, zero/live wire identification, and circuit breakpoint troubleshooting—all in a compact, ergonomic design. Built with high safety standards and user-friendly features, it’s your reliable partner for all electrical inspection needs.

Product function introduction

Dual mode pressure measurement:

Non-contact measurement AC 30~1000V,

Contact measurement 3~600Vl

Application:

It can be used in electronic factories, electrical appliances, automobile maintenance, households, etc., and has a wide range of uses.

Packaging:

1* B21 screwdriver test pen

1 x USB Charging Cable（Be Shipped Randomly）

1 x InstructionManual

1*Storage bag

1* Packaging box

10* batch heads