Introducing the ROYAL Voltage Tester AC 100-500V 3X140mm Neon Bulb Model RTS-140, a reliable electrical trade tool for testing voltage in the range of 100-500V. This voltage tester features a slotted design for easy handling and a highlight neon bulb for clear visibility. The compact size and durable plastic hanger with color label packaging make it convenient for storage and transportation. Whether you're a professional electrician or a DIY enthusiast, this ROYAL Voltage Tester is an essential tool for ensuring electrical safety.