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Description You needn't worry about its safety. This professional teaching equipment for physics teaching can train student's practical ability and their interest in learning.Made of premium material, the ticker-tape timer is and practical. Training students' observation capability, thinking and analytical skills. It is safe, no harm to human health
About this item-This laboratory dotting timer is an electromagnetic dotting timer for measuring short- time use.
-Our tape timer with stable performance and excellent workmanship, you can use the tape timer conveniently.
-The teaching tape timer equipment is good for developing students brains and rich their physical knowledge.
-Acceleration apparatus no burr, stable longevity. They are not easy to damage.
-Electromagnetic dotting timer manufactured with the of durability, this product would spend an eminently period of time with you.
Features - Color: Black
- Material: Plastic, Metal
- Size: 14.00X7.00X3.00cm/5.50X2.75X1.18in
visual timer