Ingco Digital Test Pencil – AC 12–300V Voltage Tester with LCD Display HSDT33001

Test electrical circuits quickly and safely with the Ingco HSDT33001 Digital Test Pencil, a compact voltage tester designed for electricians, maintenance technicians, homeowners, and DIY enthusiasts. Ideal for checking sockets, switches, outlets, circuit breakers, extension cords, and household wiring, this digital test pencil provides fast and reliable AC voltage detection for everyday electrical troubleshooting.

Featuring an easy-to-read LCD digital display, the HSDT33001 accurately detects AC voltages from 12V to 300V, making it suitable for residential and commercial electrical inspections. The built-in sound and light alarm immediately alerts users when voltage is present, helping improve safety while working around electrical installations.

For added convenience, the tester includes automatic power-off to extend battery life and a low-battery indicator to ensure reliable operation whenever you need it. Powered by a single LR03 AAA battery, this lightweight and portable test pencil easily fits into your toolbox or pocket, making it an essential electrical testing tool for professionals and home users alike.

Key Features & Specifications

• Wide AC Voltage Detection: Measures 12V–300V AC for quick testing of outlets, switches, and electrical circuits.
• LCD Digital Display: Displays voltage readings clearly for accurate electrical diagnostics.
• Sound & Light Alarm: Provides instant audible and visual alerts when live voltage is detected.
• Auto Power-Off Function: Conserves battery life by automatically shutting down when not in use.
• Low-Battery Indicator: Alerts users when battery replacement is needed for dependable performance.
• Portable & Ready to Use: Includes 1 × LR03 AAA battery for immediate operation.

Technical Specifications

• Brand: Ingco
• Model: HSDT33001
• Product Type: Digital Test Pencil
• Test Voltage: AC 12–300V
• Display: LCD Digital Display
• Alarm Mode: Sound and Light Alarm
• Auto Power-Off: Yes
• Low-Battery Indication: Yes
• Power Supply: 1 × LR03 AAA Battery

Included Accessories

• 1 × LR03 AAA Battery