Pico C-4 Expansion ModulePico Expansion Modules extend the power and reach of the Poco Digital Lighting Control system making it possible to control other manufacturers&'; luminaires, lighting accessories and devices that do not have the sophisticated PLI technology built-in. The Pico C-4 module provides Poco or TTP control of third party RGB or RGBW lighting accessories. The Pico P-1 module acts as an in-line solid-state relay, controlling any large load up to 20 Amps with on/off and PWM dimming control. Owner&';s Manual (pdf)