Interchangeable Induction Tester Pen Screwdriver

Crafted from high-quality CRV steel shank with strict heat treatment, the tool maintains stable hardness and excellent torsional resistance, featuring strong pressure resistance and durable service life. The premium chrome-plated surface effectively improves oxidation and rust resistance, keeping the tool bit smooth and not easy to wear after long-term use.
Adopting fine surface plating and integral heat treatment process, the tester pen ensures uniform internal structure and stable overall performance. The tight buckle fastening structure realizes firm clamping of the tool head, avoiding looseness during frequent replacement and operation, delivering reliable and stable working performance.
Featured with dual-head multi-purpose design and dual display modes of tail light and side LCD screen, this tool enables intuitive and accurate voltage detection and zero-live wire identification. The flexible replaceable structure and integrated testing & disassembling functions greatly improve operation efficiency, bringing high convenience for professional electrical work.

Voltage Detection & Circuit Testing:
Ideal for AC 100~250V voltage detection, circuit on-off inspection and power failure checking in various electrical circuits to ensure construction safety.
Zero & Live Wire Identification:
Suitable for distinguishing zero wire and live wire during circuit arrangement, wire replacement and electrical wiring modification.
Electrical Disassembly & Installation:
Perfect for dismounting and mounting operations of common electrical accessories with its PH2/SL4.5 dual-purpose tool head, meeting daily electrical assembly demands.
Professional Electrical Maintenance:
Applicable for household circuit inspection, engineering electrical maintenance and daily electrician operation, serving as a practical multi-functional tool for professional electricians.