♬Complete 3 Channel Control Unit This 12V waterproof electrical enclosure contains 3 blend slots and 3 control slots, with 3 pre installed standard fuses and 3 four pin controllers (color coded wires). ♬Sealed Resistant Housing Features a fully enclosed base and secure protective cover to water ingress while allowing convenient manual inspection and maintenance of internal components without tools. ♬Combined Mechanism Integrates controllers and fuses for overload current regulation. ♬Pre Configured Wiring Assembly Includes color marked 12 gauge heavy duty terminals and factory assembled wiring for straightforward installation. ♬Versatile 12V Compatibility Suitable for cars, trucks, boats and all 12V electrical configurations requiring organized current regulation and tidy wiring in challenging operating conditions.