VOLTAGE RANGE: Non-contact voltage detection capability from 70V to 250V AC, perfect for identifying live circuits and electrical testing VISUAL INDICATOR: Features bright LED color light display that clearly indicates presence of voltage for easy interpretation of results SAFETY DESIGN: Transparent protective housing ensure safe operation in various working conditions MULTI-FUNCTION: Includes capacitance and resistance measurement capabilities for comprehensive electrical testing needs PORTABLE SET: Comes as a set of 3 tester pens, allowing for multiple testing points or backup units when needed Stay safe and confident while testing electrical circuits with this set of 3 transparent voltage tester pens. These portable testers feature LED color indicators that help you quickly identify voltage presence in the 70-250V range. The clear design lets you see the internal components at work, while the construction ensures reliability in various conditions. Beyond simple voltage detection, these versatile tools also function as capacitance and resistance meters for more comprehensive circuit testing capabilities. The non-contact testing feature allows you to check AC voltage without direct contact, adding an extra layer of safety to your electrical work. Compact and lightweight, these tester pens easily fit in your tool belt or pocket for convenient access whenever needed. Perfect for electricians, maintenance professionals, and DIY enthusiasts who need reliable voltage testing on the go.