Operating Temperature: RegularDisplay Type: Digital OnlyDIY Supplies: Electrical100% 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)Antenna: pulling out antennaAuto switch offSingle button controlWith collapsible whip antenna7 DIGIT LCD Display with signal meterOne button with all functionscolour: Picture colorMaterial: ABSsize: 9.4cm x 5.7cm x 2.3cmPackage Contents:1x GY560 Frequency CounterOnly the above package content, other products are not included.Note: Light 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.