Timer is the perfect timing software to controller hydroponics, relays, solenoids or lights from a computers printer port. This program enables the PC to associate to the outside creation by using the printer port LPT1. Hardware can then be connected to the computer to controller hydroponics, security lights, gardening and household automation using solenoids, relays and sensors. The unregistered edition has limited functions. The registered edition allows the user to controller up to 24 channels via 3 printer ports. Being user friendly this application puts the user in a cogent position of operating devices lot by time and day, with On, Off or Auto modes. A chink of the mouse and your sprinklers can be watering, round a lite on, the options are endless.