4Pcs Tm1637 Digital Segment Modules 4-Digit 7-Segment Led Digital, Red?Mra172A? Product Details Specification: High-quality materials: This digital display module is made of high-quality PCB boards, which are more durable and durable than ordinary plastics, with precise wiring and clear board paths. The four-digit digital tube has stable structure, excellent performance and long service life. Easy to Use: The module is very convenient to use, it can be used after connection, no complicated wiring process is required, and it can be operated by oneself, which is simple and convenient. Model: This is a basic 4-digit 7-segment display module. The display shows each decimal point. The module is connected to digital I/O via 2 pins. Product Specifications: Driver IC TM1637, voltage 5V, packaging includes 4 digital display modules, 4 pin headers, complete packaging, match the appropriate model size before use, you can use it with confidence. Service Satisfaction: If you are not satisfied with your purchase for any reason, please feel free to contact our customer service through the buyer center, and we will solve it for you as soon as possible. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.