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: <80% Storage Conditions: -20℃ to 50℃ Relative Humidity: <85% Material: Plastic Size: about 150x75x30mm/5.9x2.95x1.18in Applicable Models: for All Models Keys Battery: 2x18650 Batteries Needed(NOT Included) Package Includes: 1x InfraredFrequency Tester note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.