Set This drip irrigation tool set includes: 1 auto irrigation timer, 1 irrigation tube roll, 1 drip pack, 1 holder, 15 x 3-way tube connector, 1 drip filter water, 1 USB cable, 1 instruction manual. Thanks to its waterproof cap design, it works outdoors and on rainy days. Two kinds of power supply: This irrigation system works from 4 AA batteries or micro USB power supply. You can run it on AA batteries (batteries not included) when you're on the go. It is excellent for urban patios and balconies where faucets are not available. Screen LCD screen: It displays the day of the week, the hour, the minutes and the programming time for easy reference. The air outlet is designed to keep the machine dry and prevent water from accumulating in the machine to ensure the normal operation of the machine. Applications: The water pump timer supports automatic watering and timing. It is suitable for watering potted succulents, flowers, plants and vegetables, and ideal for families, gardens and offices.