Bulletin 1760 Pico™ controllers and PicoGFX™ controllers are small, simple  and flexible. They are ideal for relay replacement applications and applications where cost is a primary issue. These controllers let you program via built-in keypad, built-in LCD and programming software. With these controllers as the foundation of your system, you can increase your capacity through Pico expansion I/O modules and gain additional capabilities through remote controller units.