What is the best digital measuring device?

I don't think there is a standard answer, I think there are two good digital measuring devices,

Among them: is a tool that can be used for both tape measure and laser measurement. It can be connected to the mobile APP to generate CAD, PDF, 3D pictures, and products that export picture data.At Shopify wholesale, the website is:BUY NOW

The other is: it can be measured with a laser. It can be connected to the mobile APP to generate CAD, PDF, 3D pictures, and products that export picture data.At Shopify wholesale, the website is:BUY NOW

Introduce the software APP and mobile APP here. Very easy to use. Can be used with measurement tools for easy measurement and automatic generation of CAD, PDF and 3D laser images.At Shopify wholesale, the website is:BUY NOW（7 days free）