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Premium Mouniubull Non-Contact AC Voltage Tester Pen – Inductive Electric Test Pencil with Sound & Light Alarm, Live/Null Wire Identification & Breakpoint Location
Avoid electrical hazards with the Mouniubull Portable Non-Contact Voltage Tester. Engineered for maximum safety, this compact test pen allows you to check whether a line, socket, or wire is carrying live electrical current without touching open copper leads.
Whether you are changing a wall switch, troubleshooting home appliances, or inspecting wiring breakpoints, this inductive detector delivers quick, accurate sound and light alerts.
Why Homeowners and DIYers Choose Mouniubull:
Non-Contact Safety: Inspect live current through insulated PVC jackets without fear of electric shock.
Dual Alarm System: High-brightness LED indicator and distinct buzzer tones change frequency depending on current strength.
Breakpoint Detection: Track current along power cables to find where internal continuity breaks down.
Ergonomic & Portable: Sturdy ABS body with a built-in pocket clip for easy daily carry in toolbags or pocket shirts.
Product Specifications:
Brand: Mouniubull
Product Type: Non-Contact Inductive Voltage Tester Pen
Detection Type: AC Voltage Current
Alarm Indicator: Visual LED Light + Audible Buzzer Alarm
Material: High-Impact Insulation ABS Polymer
Color: Yellow & Grey Accent
Dimensions: 141 mm × 18.6 mm × 16 mm (5.55" × 0.73" × 0.63")
Package Includes: 1 x Mouniubull Inductive Voltage Test Pen







【SAFE NON-CONTACT VOLTAGE DETECTION】 100% electrical shock prevention! Detects AC voltage in sockets, switches, circuit breakers, and cables without physical wire contact. A must-have home safety inspection tool for electricians, homeowners, and DIYers.
【SMART LIVE & NULL WIRE DISTINCTION】 Quickly identify live vs. neutral wires! Features intelligent sound and light alarms that emit faster, brighter LED flashes and louder buzzer beeping when close to strong live electrical signals.
【WIRE BREAKPOINT FINDER】 Easily locate broken wires along the circuit! Simply run the inductive tip along an insulated wire; the alarm will stop at the exact point where the internal wire is broken or damaged.
【COMPACT PEN DESIGN WITH POCKET CLIP】 Durable, lightweight ABS construction shaped like a portable pocket pen. Features a integrated pen clip that easily attaches to shirt pockets, tool belts, or backpacks for quick access anywhere.
【WIDE HOME & INDUSTRIAL APPLICATION】 Versatile tool for troubleshooting wall sockets, power extension strips, fuses, lighting fixtures, and appliances. Helps you perform essential safety checks before starting any electrical repair work.
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