Features:Portable SizeEasy to Carry: This mechanical watch timegrapher has portable size and you can put it into your worktable easily or carry it with you to share with your friends and families.Large Display Screen: This mechanical watch timegrapher has a large display screen for you to see the data more clearly, give you a better using experience.Mulit-function Tool: This tool can test rate deviation, amplitude, polarization, lift angle, cycle for you.Easy to Operate: This mechanical watch timegrapher is easy to operate, there are six different directions can be adjust by rotating according to your needs.Preferred Material: The base is made of aluminium alloy material and has the characteristics of strong corrosion resistance.