Features: Precise engineered ICL8038 waveform generator set delivers 5Hz 400kHz frequency ranges with four output waveforms (sine/triangle/square/sawtooths) and 2 95% duty cycle adjustment for professional generation. Features double amplifier design with through hole components for distortion less signals, complemented by separate coarse/fine frequency tuning knobs and amplitude control via high speed operational amplifiers. Ideal for electronics enthusiasts, engineering students, and professional requiring reliabled low frequency generation for circuit testing and academic projects. Perfect for educational labs, prototyping workbenches, and electronics repair stations needing versatile waveform outputs with adjustable parameters. This friendly generator set includes acrylic casing and PCB components, optimized for hands on assembly while maintaining laboratory grade performances in hobbyist applications. Specifications: Component: FR4 + Acrylic Supply voltages: 12V~15V Frequency ranges: 5Hz~400KHz (adjustable) Duty cycle ranges: 2~95% (adjustable) Low temperature drift: 50ppm/°C bias ranges: -7.5V~7.5V Output amplitude ranges: 0.1V~11VPP (operating voltages 12V) Size abouta 89x60mm/3.5x2.4in Package Includes: 1Set of ICL8038 multi-function low-frequency generator note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.