Features • Accurate Signal Strength Measurement - Estimate channel strength easily with a clear scale and bar height for quick assessments • Enhanced Performance with Antenna - Features a high-quality nRF24L01 module with PA and a 3DB high-gain antenna for improved signal detection • Clear and Compact Display - Enjoy a two-color 0.96 inch OLED screen that provides easy readability in various lighting conditions • Extensive Channel Scanning - Scan 128 channels between 2.400 and 2.527 GHz, with a precise frequency point every 1M for thorough analysis • Portable and User-Friendly - Lightweight and compact design ensures convenient carrying and storage, perfect for outdoor use with low voltage auto shut-off Features: 1、You can roughly estimate the strength of the corresponding channel through the scale below and the height of the corresponding bar. 2、Equipped with high-quality nRF24L01 module with PA and the original 3DB high-gain antenna. 3、Small but clear, the display screen a two？colour 0.96 inch organic light emitting diode screen, making the easier. 4、This spectrum analyser can scan 128 channels, from 2.400 to 2.527, one frequency point per 1M. 5、Small size and light weight allow for convenient carrying and storage. Ideal for outdoor using. 6、There is a battery icon in the upper right corner of the screen. And it will automatically turn off at low voltage. Specification: Item Type: Simple Spectrum Analyzer Material: ABS Battery Capacity: 600mAh Battery Model: Lithium Battery (Built-in battery is shipped) Working Current: 40mA Battery Charging Time: 2 Hours Battery Charging Voltage: 5V Package List: 1 x Simple Spectrum Analyser 1 x Antenna 1 x USB Cable Note: betweendiv>1. Please do not overcharge, which will affect the battery life;between/div>betweendiv>2. Please do not use over frequency; between/div>betweendiv>3. Please do not knock the product, it will cause the product to be damaged and cannot be used; between/div> Package List 1 x Simple Spectrum Analyser 1 x Antenna 1 x USB Cable