The absolute encoder is a sensor that directly outputs numbers. There are several concentric code discs along the radial direction on its circular code disc.
Gradient long coffin nails, All kinds of gradient nail designs, including monochrome gradient, five-color gradient, matte gradient and bright gradient. Provide guests with a variety of choices.
The water magic book allows you to colour by painting with water. It features 4 reusable pages and a refillable water pen so you can continue drawing over and over again.