The 599167 is a vertical diaphragm switch, model VDS2010, manufactured by LITTLE GIANT PUMP. With a 10" pump range and a 20 ft cord, this switch provides reliable and precise water level control. It is designed for up to 1/2 HP at 120VAC and features stainless steel mounting brackets and heavy-duty switch contacts. Ideal for various water management applications, this vertical diaphragm switch ensures effective flood prevention and water control.