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Description It is one of the best choices for you.
Are you looking for professional electricity experiment variable resistance box? If yes, look no further! Our professional electricity experiment variable resistance box must meet your needs.
Features
- This product is suitable for electrical measurement and other experiments in schools and scientific research institutions.
- The simple design will its high performance as excellent electricity experiment instrument.
- The variable resistance box is simple and easy to use, bring much convenience to you.
- It is made of plastic material, and safe, excellent and simple, serving for long time.
- It is lightweight, easy and convenient to carry and store when not in use without any effort.
-Color: Black.
-Material: Plastic.
-Size: About 14.00X10.00X5.00cm/5.50X3.93X1.97in.