QA08I Radio Frequency Meter Mini Frequency Counter Wireless Reception Walkie Talkies Frequency Meter Radio Frequency 1.Onekey frequency measurement, wireless reception, fast decoding, and automatic detection._x000D_ 2.After the frequency measurement is completed, the frequency counter and the walkietalkie can ensure that the frequency is accurate._x000D_ 3.Frequency meter can test frequency, subtone, frequency hopping, encrypted frequency point._x000D_ 4.The frequency meter can communicate with the walkietalkie by pressing the PTT button to detect the accuracy._x000D_ 5.The frequency meter can measure the frequency of the walkietalkie and is very useful._x000D_ _x000D_ Item Type:Walkie Talkies Frequency Meter_x000D_ Built-in Lithium Battery:500 mAh_x000D_ Language Voice:Chinese and English voice_x000D_ Interface Display:Switch between Chinese and English_x000D_ How to use:_x000D_ 1.Turn on the walkie-talkie. Press and hold the power button for 3 seconds to turn on the frequency meter_x000D_ 2.Press the frequency measurement button on the frequency detector and wait for the data to be received_x000D_ 3.Press and hold the transmitter button on the walkie-talkie for 3 seconds, and the frequency tester will receive the data and display the video as complete._x000D_ 4.The frequency tester can communicate with the walkie-talkie by pressing the PTT button to detect the accuracy of the frequency and sub-tone_x000D_ Colour:Black_x000D_ Material:plastic_x000D_ Size:Approx.7.5x6x2cm/3.0x2.4x0.8in_x000D_ _x000D_ Package Contents:_x000D_ 1 x Walkie Talkies Frequency Meter_x000D_ 1 x USB Charging Cable_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_