Features: This Car Remote Keys InfraredFrequency Tester is a must tool for anyone who needs to configure remote control, ensuring that the frequency is adjusted toperfection. With a testingrange of 100M-1GHZ, this digital electronic infraredfrequency counter test instrument is highly accurate and reliable, displaying the frequency of your remote control clearly and precisely. Designed formechanics, car enthusiasts, and anyone who needs to configure remote control, this infraredfrequency tester is easy to use and providesinvaluable assistance in diagnosing wireless remote control issue. Whether you're working in a garage or home, this infraredfrequency tester is perfect for identifying and diagnosing wireless remote control issue, allowing you to easily adjust the frequency you need when configuring a remote control. Made from high-quality plastic and built to last, this infraredfrequency tester is a reliable and essential tool for anyone who needs to diagnose and configure remote control. Specifications: Voltage: 9V Operating Temperature: 0-50 TestRange: 100M-1GHZ Working Conditions: -10~ 40 Relative Humidity: