This is a test frequency wireless remote control apparatus, it can accurately test the frequency of the remote control, and can clearly displayed. In the preparation of the remote control allows you to easily adjust the time out of their desired frequency. 

 It is an effective test range 250-450MHZ. 

 Test method is very simple, just need to test the remote control near the frequency meter can accurately test the frequency of the remote control. (Effective test range is not more than 10cm). 

 Technical parameters: 
 Operating voltage: DC7.5V-10V. 
 Standby current: 40mA 
 Operating Current: 51mA