Visualize Electricity with Precision

Gone are the days of vague neon lights that only tell you if power is "on." The Habotest HT91D+ brings professional electrical testing into the digital age. Designed for safety and efficiency, this intelligent tester pen displays the exact voltage reading (12V–300V AC) directly on its backlit LCD screen, giving you the data you need to work confidently.

More Than Just a Tester

This tool is a versatile companion for any toolbox. It functions as a robust magnetic screwdriver (Phillips/Flathead interchangeable) while simultaneously offering advanced diagnostic features. Whether you are installing a new light fixture, troubleshooting a faulty extension cord, or checking if a battery is dead, the HT91D+ handles it all.

Intelligent Safety Features

Safety is paramount at Sun Cheong Computer. The HT91D+ features Non-Contact Voltage (NCV) detection, allowing you to sense electricity without touching bare wires. It automatically distinguishes between Live (Hot) and Null (Neutral) wires with distinct visual and audio alarms. Plus, the built-in LED flashlight ensures you never have to work in the dark.

Why Choose HT91D+?

• Real-Time Data: View AC voltage levels instantly.
• Smart Memory: Automatically saves the last 2 voltage readings for easy reference.
• Breakpoint Detection: Quickly locate where a wire is broken inside the insulation without cutting the cord.