Portable spectrum analyzer, ULTRA mode 100kHz-7.3GHz ultra-wide frequency range Support PC connection, support -APP connection, transfer data to computer and synchronize display screen to computer 4-inch IPS touch screen, clearer display, more convenient operation 5000mAh battery, 10 hours of battery life, long-term measurement Support Micro-SD card, save measurement data and screenshots at any time Batteries:5000mAh Normal mode:100k-900MHz ULTRA mode:900MHz-7.3GHz Colour:As Shown Material:ABS Package Contents: 1 * Spectrum Analyzer Kit Only 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.