Features: Discover the versatility of this set featuring a black variable resistor box and 16 digital test probes. Crafted with fine craftsmanship and durability, this resistor box provides accurate resistance measurements from 0Ω to a wide ranges. Designed for educators, students, and electronics enthusiasts, this resistor box is a must have tool for teaching and learning about circuits and resistance. Whether in a classroom, lab, or DIY project, this resistor box is perfect for hands on experiments and demonstrations with different resistance values. With its sturdy construction and versatile test probes, this resistor box offer various possibilities for exploring and understanding electrical circuits. Specifications: Material:Plastic Size:Approx.165x125x60mm/6.49x4.92x2.36inch 1pcs resistance box & 16pcs Multi-function digital multi-probes test/Alligators clip leads Variable resistance box. Fine workmanship and good performances. Durable in use Great teaching help and test equipment. Suitable for teaching physical transmission experiences. Banana cable measuring cable Test leads of the test code Probes test leads Possible resistance:0ohm to 9999.9ohm Size:Length:about 170cm Multi-function digital multiprobes test/Alligators clip leads Cable length:90cm Color:Black Package Includes: 1 Set Variable Resistor note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.