Based on our own experience, this network and cable tester is a must-have for anyone in the industrial and scientific field. The Triplett HotWire 3388 Circuit Generator is easy to use and incredibly accurate. Its LED display is bright and clear, making it easy to read even in dimly lit areas. The one downside we've experienced is that it can be a bit on the pricey side, but we do believe that the product's quality justifies the cost. Overall, we highly recommend this impressive circuit generator for anyone who requires precise and reliable test results.