features: Equipped with a 2.4 inch color touch screen, it can let you read data more smoothly and you with a better experience. Built-in -capacity lithium battery, no need to worry about sudden power failure affecting use. Support the TYPE-C interface upgrade , 3.5mm stereo audio output, and 3.5mm audio fm antenna interface, with a maximum charging current of 1.5A Function: 1. Radio frequency spectrum scanning function 2. Backlight brightness adjustment 3. Backlight off 4. Battery voltage display 5. Battery percentage display 6. High-precision long-life encoder knob 7. FM RDS information display 8. Mobile APP network WIFI configuration 9. With 2.4G external antenna interface, the signal is strong 10. WIFI network time service display 11. Time zone customization 12. Support Russian firmware upgrade (Russian firmware needs to be purchased at a fee, purchase the key authorization yourself) Material: aluminum alloy Color: as shown Frequency: FM: 64 functions 108MHz/RDS functions LW:153khz 500khz MW:520khz 1710khz SW:1730khz 30000khz SSB:1730khz 30000khz Antenna interface: BNC Package Contents: 1 x with spectrum scanning DSP Receiver 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.