This chart is a chart of the switch types we make. You can copy this chart or we can email it to you free upon request. Or you can buy it and we will send you a hard copy. We have four grades of switches. Panel mount for indor use. single waterproof type and double waterproof type. They are avaiable in momentary types and maintained (toggle) types. Some are illuminated. They are for use at 12 volts or 24 volts DC.operation only. We also have a variety of mounts that the switches will fit at our other listings under mounts.