1Pcs Resistance Box 0-9999.9? 5 Gears Adjustable Decade Resistor Resistance Lab Product Details Usage method: Through the two terminals on the panel to access the circuit, five knobs can be adjusted to get a certain resistance value in 09999.9 ohm. The resistance indication is the sum of the readings of the indicating points of each knob multiplied by the above multiples. Generally, the value of the indicating points of each knob is read out in sequence from high multiples to low multiples. This value is the resistance indication. Note: Manual measurement, with small error. Please check size in detail before purchase. Real colors may slightly differ from the pictures, as it depends on specific monitor settings and light brightness. Package Includes: 1Pcs 0 to 9999.9 ohms variable resistance Available range?5 Switchable Ranges Resistance Range?10 x ( 1000 + 1000 + 100 +10 + 1 +0.1) Ohm Operation Condition?10 to 40C,25%?80% Relative Humidity Normal Power / Power Limit?0.5W / ?1W?Insulation Resistance?? 50 M Ohms 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.