Features:100% Brand New and High QualityFrequency Counter for two-way radio and mobile phoneFrequency Range: 50Mhz to 2.4GhzFrequency step : 200K (digital radio signal)、 1K、 100HzDistance covered: 8m for U-band and 5m for V-bandBattery: 9V (included)Color: As the pictures shownAntenna: pulling out antennaDimensions: 9.4cm x 5.7cm x 2.3cm / 3.7” x 2.2” x 0.9”Auto switch offSingle button controlWith collapsible whip antenna7 DIGIT LCD Display with signal meterOne button with all functions