Style A:The equipment can water up to 10 plants at once. Style B:The equipment can water up to 15 plants at once. Efficient & Reliable, Why this is important?- High-power double pump design, say goodbye to water pressure problems, use the latest digital memory chip4 Program Settings on the Timer and digital memory chip, it allows you to choose how often your plants are watered, based on their needs, without your own scheduling needing to adjust. Easy to install and set up-This watering device is easy to install and set up and is ready to use in minutes. With easy to understand controls that make your watering needs easily taken care of. Come with 10/15 plant capacity. The equipment can water up to 10/15 plants at once, allowing for a larger indoor garden that is maintained well. Worry-free Holiday-4 different mode adjustable, support the time interval (1 hour to 30 days) and water supply time (10 s to 5 min), once programmed, this automatic drip irrigation kit will takke care of watering the plants for you. Support up to 30-day digital automatic watering, worry-free for hanging out or traveling. Knob & Clip Design-Different from traditional button, knob is faster adjustment and effort than button. It is portable to hang on the water bucket of your bedroom, balcony or garden for houseplant self-watering, the smaller design and irrigation system itself are ideal for smaller gardening needs, but that doesn’t make it any less beneficial. Package included: Programmer x 1, Tube x 1(32.8ft), T-Joints x 10, Cross Joints x 3, Watering Dripper x 15, Type C cable x 1, USB plug x 1