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.