Aventura-based Rock Island Capital LLC has made a $2 million investment in Echometrix Inc., the Syosset, NY, maker of technology that allows parents to control digital content throughout the home.

The investment deal announced Sept. 16 involves Class B preferred convertible stock at a price of $9.09 per share, the company said.

Jay Safier, a managing partner at Rock Island Capital, LLC, said in a press release  "Echometrix is a company with compelling technology that can make a difference in helping to keep children safe on the Internet. Our investment objective is to give the management team the resources necessary to execute their strategy.”

The company plans to use the funding to expand its business and its marketing efforts.

Echometrix (OTCBB:EHMI) develops software services committed to real-time online protection and family safety and specializes in developing digital tools that deliver brand metrics, real-time market intelligence and consumer market research.