The Martindale TEK100 Non-Contact Voltage Indicator & Proving Unit is a reliable tool designed for detecting and measuring non-contact voltages up to 600V AC. With a sturdy construction and drop-proof capability to 15 meters, this product ensures durability in various industrial environments. The self-testing feature adds an extra layer of safety and confidence for users. Perfect for electrical testing and verification, the Martindale TEK100 meets the high standards required for professional use.