1.1 Our infrared frequency tester is suitable for the test range of 100 MHz to 1 GHz and is an indispensable tool for your car repairs, as it ensures accurate measurement of various frequency signals. 2.2 This 4digit digital electronic infrared frequency meter has a compact size of 150 × 75 × 30 mm and weighs only 205 g, allowing you to easily transport and operate it in various car environments. 3.3 The device can operate stably under working conditions of 10 °C to 40 °C and maintains good performance in storage environments of 20 °C to 50 °C, making it suitable for use in various climate conditions. 4.4 The infrared frequency tester features a userfriendly interface that makes it easy for users to get started. As such, it is an ideal choice among professional car tools and enhances your work efficiency.