Increases the push-button switch timer to 2, 4, or 10 seconds, saving you lots of hassle and parts.
This would typically be used for doors to create a longer opening time with fewer parts. For example, to get a 4-second delay without this mod would normally take about 10 inverters and other switches and 20 wire segments. With this mod, you only need 1 button, 1 inverter, and 3 wire segments.
Credits:
Gumsk