This 2.4G simple scanner adopt nRF24L01+ module, which can be used for model aircrafts signal and wifi signal detections. The recharging port is Type-c, which is convenient to recharging it. With low voltage automatic shutdown function, which can protect the lithium battery, prolong the using time. The screen using 0.96inch OLED display screen, which can let you see the data more clearly, give you a better using experience. This machine can scan 128 channels, from 2.400mhz-2.527mhz every 1mhz one frequency point., Manufacturer: Akfldms