This product is an instrument for testing the frequency of wireless remote control, which can test the frequency of the remote control and display it clearly; And can test the quality of infrared sensing; It allows you to easily adjust the frequency you need when configuring a remote control.

matters needing attention:

During testing, some sources of electrical signal interference should be avoided, such as signal towers, base stations, power poles, unplugging and calling mobile phones, sending and receiving text messages, etc.