Dihool Low Voltage Cutoff Protector 1~60 Amp Current Adjustable Ac Disconnect, Product Details Adjustable overvoltage value, adjustable undervoltage value, adjustable overcurrent value, and adjustable recovery time Default value Overvoltage Trip Value: 140V; Undervoltage Trip Value: 90V;Overcurrent Trip Value: 63A Wait for 5 seconds after powering on, and if overvoltage/undervoltage/overcurrent occurs, wait for 30 seconds to restore the circuit Before use, please carefully review the user manual and adjust the overvoltage/undervoltage/current protection values according to your own needs There are setting instructions on the side of the product. If the manual is missing, you can view it through the side view 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.