The Rixon 980M/FM980 Electromagnetic Door Holder/Release is a heavy-duty, electronic-controlled door holder designed for commercial, security, and swinging doors. Made of aluminum, metal, and steel, this silver-colored door holder includes fasteners and instructions for easy installation. With a magnetic type design and floor mounting, it features a tri-voltage system and a 2-year manufacturer warranty. Perfect for use in commercial and residential settings, this door holder weighs 4 lbs and measures 4-15/16″ x 3.75″ x 5″.