Description
Reliable AC Voltage Detection Tool
The WTP3503 AC Voltage Detector Tester Pencil is a versatile device capable of detecting voltage ranges from 70 to 1000V, making it an essential tool for electricians and DIY enthusiasts alike.

Key Benefits
Accurate Voltage Detection
Detects AC voltage in a broad range of 70~1000V.
Alarm Modes
Offers both sound and light alarms for easy identification of voltage.
Built-in Flashlight
Equipped with a white LED flashlight for added convenience in dim environments.
Automatic Power Saving
Features an auto power-off function to conserve battery life.
User-Friendly Design
Compact and lightweight design for easy portability.
Features
- AC voltage range: 70~1000V
- Frequency: 50/60Hz
- Audible and visual alarms
- Built-in white LED flashlight
- Auto power off feature
- Lightweight and portable design
- User-friendly operation
- Ideal for home and professional use
Applications
- Electrical maintenance
- Home wiring inspections
- DIY electrical projects
- Safety checks for appliances
- Professional electrical work
Technical Specifications

Trust the WTP3503 for accurate and reliable voltage detection—an essential tool for ensuring electrical safety.
FAQ
What is the voltage detection range of the WTP3503?
The WTP3503 can detect AC voltage within the range of 70 to 1000V.
Does it have an audible alarm?
Yes, it features both sound and light alarms for easy voltage identification.
Is there a built-in flashlight?
Yes, the tester comes with a built-in white LED flashlight for convenience.
How does the auto power off feature work?
The device automatically turns off after a period of inactivity to save battery life.

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