Optimal cultivation results and sustainable water management. Hotraco Horti irrigation computers enable to irrigate purposefully in 8 groups. Growers have the choice to operate 1, 2 or 3 taps at the same time. Within each department, 24 taps can be controlled and another 24 outside of the department. Furthermore, the Orion GC is provided with 4 timing options and 8 external starts. The desired day and time can be set per zone. Accurate and flexible. At the desired time the right amount in exactly the right place, and with savings of water and fertilizers.