Seesii LEIXEN N8 LCD Display Portable 1MHz-1000MHz Frequency Counter CTCSS/DCS Frequency Meter for Walkie Talkie Mobile Radios Orange Color

"Specification Operating current: 46mA Battery: 3-1.5V AAA Batteries(NOT Includes in) Measure range: Frequency 1MHz-1000MHz, all CTCSS, all DCS This ""S"" button on device has no function,please note! Operation: Power On/OFF: Press the power...