Are you wanting to test the voltage? This LED voltage tester manufactured by Stanley uses an LED display in order to easily show you the measured value immediately. In addition polarity is also indicated.
Made with a durable body this voltage tester is IP54 rated, meaning it is resistant to both water and debris.
Lightweight at just 0.17 Kgs this high performace voltage tester is perfect for the home or tradesman.
Stanley FatMax LED Voltage Tester
Check the voltage of your supply with this easy to use LED tester.