The minimum scanning power of the 5.8G band setting of this product is about 100mW, and anything below 100mW will not be displayed!!!2.4G Scanning Frequency: 2.3 - 2.6G5.8G Scanning Frequency: 5.1 - 5.9GRecognition Distance: 150 - 350m (depending on TF power)Charging Input Voltage: 5V/500mAWorking Time:about 10 hoursBattery Capacity:250mAhBattery Charging Time:about 5 hoursNote:This product does not support PD fast charging. Please do not use a fast charging charger for charging.Channel spectrum width:40mhz42-5210mhz 5.21GHz50-5250mhz 5.25GHz58-5290mhz 5.29GHz152-5760mhz 5.76GHz160-5800mhz 5.8GHzChannel spectrum width:20mhz36-5200mhz 5.18GHz40-5200mhz 5.2GHz44-5220mhz 5.22GHz48-5240mhz 5.24GHz52-5260mhz 5.26GHz56-5280mhz 5.28GHz60-5300mhz 5.3GHz64-5320mhz 5.32GHz149-5745mhz 5.745GHz153-5765mhz 5.765GHz157-5785mhz 5.785GHz161-5805mhz 5.805GHz165-5825mhz 5.825GHzDue to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use.Colour:BlackMaterial:PlasticPackage Contents:1 * Signal ScannerOnly the above package content, other products are not included.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.