Harwil now offers a wireless switch controller designed to eliminate the cost of the wire, installation (conduit or trenching) and maintenance necessary for a normal switch. It has a range of up to 1000 feet. A sending unit is attached to the switch and a receiving one is attached to the pump. It can be used to control water levels, detect moisture intrustion or line breaks. The system is ideal for temporary and portable applications. Contact: Harwil Corporation, (805) 988-6800: www.harwil.com