Description: 【INFRARED FREQUENCY TESTER】This Car Remote Keys Infrared Frequency Tester is an instrument for testing the frequency of wireless remotely control,which can test the frequency of the remotes control and display it clearly 【 VERSATILE 】 Portable Infrared Frequency Tester can be used to test the frequency of the remotely control and display it clearly; it can also allows you to easily adjust the frequency you need when formulating the remotes control. 【 EASY TO USE 】 Comes with a user friendly interface and clear display for simple operating. 【 DURABLE 】 Electronic Infrared Frequence Counter Test Instrument is made with high quality materials, this frequency tester is built to last and can withstand everyday wear and tear. 【 PORTABLE DESIGN 】With its small size, this frequency tester size is 15cmx7.5cmx3cm/5.91inchx2.95inchx1.18inch Specification: Material: ABS plastic Note: During the test, some electrical signal interference sources should be avoided, such as signal towers, base stations, utility poles, dialing and calling mobile phones, sending and receiving text messages, etc. Size Chart: 15cmx7.5cmx3cm/5.91inchx2.95inchx1.18inch Package Includes:  1 Infrared Frequency Tester Note: Please allow slightly errors due to manual measurement and different monitors.