4-Channel Underwater Light Relay Module The SCM-PD4CH is a 4-position power distribution box that provides a convenient way to connect up to 4 Shadow-Caster(TM) underwater lights. Digital over-current protection for each output ensures the safe operation of multiple lights and provides an easy way to manage the relatively high current switching needs of multiple light installations.The SCM-PD4CH is housed in a compact waterproof box that is ideal for mounting in the bilge and wet locations.Features: Compact remote power control box Green/red LED indicates the status of each output channel Individual digital over-current protection for each channel Compatible with Shadow-Caster(TM) single and multi-color lights Recommended when installing two or more underwater lights Can be used with a helm-mounted switch or with no switch when using a compatible Shadow-Caster(TM) controller Blue Shadow-Caster(TM) backlight indicates the state 3-Year Warranty Specifications: Compatible with 12 or 24V systems Up to 10 amps per channel 5/16-18" power lugs IP67 wash down rated enclosure What&';s Included? 4 position power control box Mounting hardware 4 #8 PH SS x.5" Quick Guide (pdf)