For controlling up to 4 - 24V irrigation valves. System can be expanded up to 12 valves using GARDENA expansion module. To be used outdoors. Cable connected to the valves. Up to 4 programmes per valve Easy plug-Inch connection to central module. Made-Inch Germany. Gardena products are-Intelligently designed, dependable and easy-to-use so you can spend less time taking care of your lawn and garden. dependable and easy-to-use.