This logo is a rounded rectangle with circles on the inside. There are four circles with increasing width and boldness as you get to the center. It looks like a bullseye.
This Sensor icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,700 icons, all in the same style and quality.