Description Feature: 1. Using sophisticated production technology, this surface resistance tester has excellent performance and high measurement accuracy. 2. With a lightweight and novel design, simple and delicate appearance, and is a good choice for measuring surface resistivity. 3. The copper strip test line on the back is close to the object to be tested during measurement, which is convenient and safe. 4. Small in size, light in weight, easy to carry, can be carried around, simple to operate and convenient to use. 5. Made of high quality materials, the resistance tester is sturdy, durable, not easily damaged, and has a long service life. Specification: Item Type: Surface Resistance Tester Material: ABS Measuring Voltage: 9V Relative Temperature: 0% to 90% Accuracy: 5% Repeatable: 5% Battery Capacity: 190mAh Battery Type: Prismatic Battery Battery Model: For 6F22 (Shipped with Supporting Battery). Package List: 1 x Surface Resistance Tester1 x Test Cable1 x User Manual1 x Battery Note: Shipped with Supporting Battery