Features: This 69 type D C ammeter features 2.5 grade high accuracy with only ±2.5% error rate, ensuring safe data for student experiments. Ideal for physics classroom quantitative analysis and circuit troubleshooting, it helps students accurately understand current changes. Made from impacts resistant ABS plastic, this ammeter withstands frequent classroom use and accidental dropping. Perfect for group experiments and education. Designed to seamlessly matching middle school physics curriculum requirements, this ammeter eliminates mismatched teaching tools. Teachers can quickly deploys it for group experiments, enhancing classroom efficiency and learning outcomes. Specifications: Materials: ABS Plastic Color: As The Picture Shows Weight: approx.100g Size: approx.86x81x53mm/3.38x3.18x2.08inch Package Includes: 1Pc 69 D C Current Meter note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!