Control TWO Grow Rooms from your iPhone. Customizable, dual zone controller, you can easily monitor two grow rooms simultaneously, with one easy-to-use controller! Sleek design and touchscreen display. Two room, two zone environmental controller that will control 4 different combinations of equipment per room. Ability to change and monitor settings from your smartphone, you will be free from the hassle of constantly checking on your grow room. The 624 will be consistently up to date in real time, on your grow rooms' conditions and should never lose on yields again from poor environment! The iPonic now comes with the communication module built-in. No need to purchase it separately as it's already included when you purchase your iPonic 624 from GrowersHouse.com.