Non-contact insulation voltage testing for safety and accuracy in electrical work. The multifunctional intelligent pen-style tester provides non-contact insulation voltage testing to help you work safely and precisely. Large display and built-in flashlight for easy readings and visibility in low light. Read measurements clearly on the big screen, and use the integrated flashlight when lighting is poor. Durable PP material and compact size for portability. Made from PP material and designed for longevity, with a compact footprint of 19 cm x 4 cm x 2.9 cm for easy carrying and use wherever needed. Adjustable sensitivity for flexible detection. The pen-style digital multimeter features adjustable sensitivity, allowing you to tailor the detection range to your specific applications. Applications - Quick checks on outlets, switches, and cables in residential or commercial settings without contact. - Maintenance and service checks on electrical panels and equipment. - Work in dimly lit environments where the built-in flashlight and clear display aid readings.