Ugears Stem Lab Tachometer ★Mechanical 3D Puzzle Kit Model Toys Gift Present Birthday Xmas Christmas Kids Adults kitchen Offers both internal and external

Offers both internal and external sensor options to meet your needs

Certification : CE

5 Hours Charging Time

Raise the bag on its pulleys to wind the clock

Width: 54 - 75cm (Adjustable)

Ugears Stem Lab Tachometer ★Mechanical 3D Puzzle Kit Model Toys Gift Present Birthday Xmas Christmas Kids Adults kitchen Offers both internal and externalLearn how the Tachometer works A tachometer is a device designed to measure the rotational speed of various parts in engines and other mechanisms. It calculates revolutions per minute (RPM). The tachometer also measures and monitors load limits, in order to decrease or increase RPM so that the engine or mechanism runs within its optimal parameters. Specifications: Model Size: 9. 4 x 4. 1 x 4. 8 inPackage size: 8. 1 x 7. 4 x 2. 5 inNumber of parts: