In the realm of electrical troubleshooting and safety, having the right tools can make all the difference. When it comes to testing the integrity of electrical circuits, outlets, and appliances, an electrical tester specifically designed for 110 and 220-voltage systems is a must-have. These specialized testers provide accurate readings, ensuring the safe operation of electrical systems and preventing potential hazards. With a wide range of features, from voltage detection to continuity testing, these testers empower homeowners, electricians, and technicians with the ability to diagnose and resolve electrical issues efficiently and reliably.