Feature

●Experiment mechanical stopwatch: it is very practical and multi-functional, save your money.
●Teaching aid mechanical stopwatch: lightweight and compact, this stopwatch is very convenient for you to carry.?
●Durable stopwatch: feels good in your hand and easy to operate.
●Professional stopwatch: maintaining normal operation in temperature range from- 10°c to+ 40°c.
●Mechanical training stopwatch: maintaining normal operation in temperature range from -10°c to +40°c?.

Description

Package List
1 X Mechanical Stopwatch

Characteristics
-Material: metal Teaching Aid
-Size: 6.50X5.00X1.60cm 2.55X1.97X0 Mechanical.
-Color: Silver stop watches for sports
- Also can be a nice birthday gift for your friends who does experiment, they will like it Physics Teaching Mechanical Stopwatch.
- laboratory experiment tool, physics and science educational instrument Teaching Stopwatch.
- Easy to start, stop and return to zero, bring you more convenience Durable Stopwatch.
- Lightweight and compact, this stopwatch is very convenient for you to carry Mechanical chronograph watch.
- It is very practical and multi-functional, save your money Practical Stopwatch.

Goods Description
Teaching Aid Practical and portable design, ensures its popularity, it is very useful.stop watch Made of material, durable enough for your long-term use.Mechanical Training Stopwatch Searching of a stop watch? Our mechanical stopwatch will be for you