Check the listing for details. ICL8038 Multi-Function Low-Frequency Signal Generator Welding Electronic DIY Kit. Condition: New. Listed at 12.99 USD. Product name: ICL8038 multi-function low-frequency signal generator DIY kit Product model: TJ-56-542 features: With ICL8038 and high-speed operational amplifier, the precision is higher. It can output sine/triangle/square wave/forward and reverse sawtooth waveform. Frequency range: 5Hz~400kHz; Duty cycle range: 2~95% (adjustable) Dual power amplifiers are supported, which will not block the capacitance and ensure the distortion of high and low frequency signals. Adjustable frequency and amplitude. The frequency adjustment has the function of coarse adjustment and fine adjustment. All are through-hole components, easy to install. Product specification: Material: FR4+acrylic Power supply voltage: 12V~15V Frequency range: 5Hz~400KHz (adjustable) Duty cycle range: 2~95% (adjustable) Low distortion sine wave: 1% Low temperature drift: 50ppm/° C Output triangular wave linearity: 0.1% DC bias range: -7.5V~7.5V Output amplitude range: 0.1V~11VPP (working voltage 12V) PCB board size: 81 * 51mm Payment Terms 1. We accept PayPal,Payoneer,Visa Card,Google pay,Credit card etc. Shipping Terms 1. We will process the order within the handling time ,if you have any questions, please contact us via eBay message or email. 2.Most of the items in our store are free shipping. We will charge a small amount of freight for a few special items. Please understand. Return Terms If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days. We will guide you the returning process for replacement or refund. Custom Duties & Taxes 1. It is buyer's responsibility to cover the import duties, taxes.We do not charge any taxes and fees, and the possible taxes and fees will be collected by the platform or by third parties such as customs and carriers. 2. Please check with your country's customs office and inform us what/how much should declare before shipping. Feedback 1. Please kindly leave us a positive feedback and 5 star DSR if you satisfied with our product and service. Please feel free to contact us firstly if you have any problem with your order, we are responsible and credible seller and will solve the issue it for you asap. 2. If you are dissatisfied for any reason, please don't be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers.