"The VAT tester, or voltage absence verifier, is an essential tool in the field of electrical safety. Designed to ensure the safety of personnel working on electrical installations, the VAT tester allows for the verification of voltage absence before carrying out maintenance or repair work. This device provides reliable and accurate measurements, ensuring that the circuit is safe before any manipulation. Equipped with features such as visual and audible indicators, the VAT tester offers an intuitive approach to checking for voltage absence, helping to prevent electrical accidents. With its crucial role in protecting personnel, the VAT tester is an indispensable investment for ensuring safety during electrical operations."