Xhorse Remote Tester Radio Drequency (RF) Infrared (IR)
 
Frequency Test Range:
 
1.300Mhz-320hz
2.434Mhz
 
Way to Test Frequency:

Put the remote control close to the device 
Press any button on the remote control
The indicator that turns on is the frquency 

Way to Test Infrared Working or Not:
 
Press the key.
The infrared indicator turns on - good, off - bad.

This device need extra battery, but the battery is not packed, please get one by yourself.

Package including: 
 
1pc x  Xhorse Remote Tester Radio Drequency (FR) Infrared(IR)