brand new and high quality<br> <br> Features:<br> 1. Can be applied to electrical experiment for midlle school, technical secondary school and other proper situations.<br> 2. Suitable for verifying parts of Ohm's law.<br> 3. Can be used to measure unknown resistance.<br> 4. Can serve as great teaching and exprimental equipment.<br> 5. for Ideal for adjusting current in need in the way of entering to a circuit as a known resistance.<br> <br> Specification:<br> Material: Iron<br> Type: Resistance Box<br> Color: Black<br> Resistance Obtainable: 0 ohm to 9999.9 ohm<br> Size: 14 x 10 x 5cm(5.51 x 3.94 x 1.97in)<br> Quantity: 1 Pc<br> <br> Note:<br> 1. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.<br> 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!<br> <br> Package includes:<br> 1 x Resistance Box