LCD Frequency Control Device with USB Signal Input and Keypad Entry for Classroom Projects, Research Use, and Lab Study Multicolor

Features: Adjustable Frequency Control: Use the LCD screen and direct keypad entry to set low frequency output quickly for lab experiments, classroom demonstrations, and repeatable daily study setups. USB Powered Desktop Setup: Run the generator from a 5V USB source for simple placement on worktables, lab tables, and teaching stations without a large external power supply. Clear Readout And Easy Input: The blue backlit display and dedicated number keys help users view the active setting and enter exact frequencies with less setup friction. Built For Experiment Workflows: The transparent acrylic housing and visible spiral board support a hardware focused look that fits electronics study, frequency work, and demo environments. Versatile Lab Use: Use the generator for low frequency experiments, classroom projects, and audio review work when you need a compact device with visible controls and stable desktop placement. Specifications: Component: Electronic Components Size: Main Unit: Approx.15.8x10.9x2cm/6.22x4.29x0.79inch; External Antenna Board: Approx.10x10cm/3.94x3.94inch Package Version: Without Antenna /With Antenna Package Includes: 1 piece Frequency Generator 1 piece Power Cable note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.