Check the listing for details. Frequency Counter JK560S For Baofeng Walkie Talkie Decoder 1-30w 100-520mhz. Color: Black, Condition: New. Listed at 32.50 USD. Features:- Frequency step : 200K (digital radio signal), 1K, 100Hz.- Testing distance : UHF : 8m, VHF : 5m.- Testing range : 100-520MHZ- Antenna : pulling out antenna- Battery : 9V 6F22- Auto power off time : 1 mins. (except for the digital signal gear)- Operation : the only one button with all functionsMini frequency counterThe said frequency counter can continually test the analog radio signal (handhold radio, wireless phone, etc) and digital radio signal, to display the frequency parameter with the signal strength. This is the best tools for the signal testing and radio maintenance.Frequency step : 200k (digital radio signal), 1k, 100Hz.Testing distance: UHF: 8m, VHF: 5m.Testing range: 100-520MHZAntenna: pulling out antennaBattery: 9V 6F22Auto power off time: 2 mins. (except for the digital signal gear)Operation: the only one button with all functions.the 1st pressing to turn onwelcoming——release the button return to powering off mode|——continually pressingto choose the 200k step—release button , 200k mode for digital radio|——continually pressingto choose the 1k step -- release button , 1k mode for faster testing|——continually pressingto choose the 100Hz step - release button, 100Hz mode for accurate testing ——continually pressingturned on (1k or 100Hz mode) turned on (200k mode)|press quickly and release normal pressingto lock the screen display “Bye Bye”press quickly again and release release the button, then power off.unlock the screencontinually pressing for 2 sec or moredisplay “Bye Bye”release the button, then power off. Package Includes: 1 x JK560S Frequency Counter