2.4G NRF24L01 Spectrum Analyzer Signal Source Scanner OLED Display

It will automatically run after open through the following scale and the height of the corresponding column line to estimate the strength of the corresponding channel. Working current: 40mAh Battery: 1 * lithium battery 600mAh (included) Item size: 90 x 70 x 30mm / 3.5 x 2.8 x 1.2in Colour: white Material: PVC Package Contents: 1 * Simple Scanner 1 * USB Cable 1 * 2.4G Antenna Only 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.