▸ It's the ultimate, go-to tool for mechanics, carpenters, engineers, and DIY home projects like hanging pictures or building furniture. ■And reading and converting angle and slope; ■Data retention; ■The product will shut down automatically. ■Compact and portable, ■Widely used. ▸ In compact size, this angle gauge can fit into tight spots to get perfect measurements needed., Manufacturer: JINGYAN