Led 7 Segment Display, Modbus-Rtu Display Module, 4 Digits Display With, 5-36V Product Details [Specification] This display is a 4-digits 7-segement display with decimal point. It has RS485 Serial Port and its communication protocol is Modbus-RTU. The power input of this display is DC 5-36V. [High Accuracy] The display has decimal point funtion, and the position of decimal point and baud rate could be customized, which ensures the accuracy of display. [Easy to Install] The display with special-designed frame can be embeded on other device, it is convenient and quick to install. [Red LED] This display module consists red LED tube, and its brightness can be set, which is very practical. [High Quality] The frame of this display is made of high quality ABS material, so the display module is lightweight and sturdy. The terminals of the serial ports is made of high quality copper. 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.