1Pcs Resistance Box 0-9999.9? 5 Gears Adjustable Decade Resistor Resistance Lab 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 Product Features 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 Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!