Please rest assured to buy, we will send you the corresponding version according to the usage standards of the country you purchased. USB drip irrigation system automatic watering system with custom schedule watering timer for potted plants indoor watering feature: 1.[Indoor USB irrigation system kit] The indoor USB irrigation system kit requires a fixed power supply to keep the drip irrigation system running and is designed for potted plants in an indoor environment. Set the watering time and interval according to the required amount of water needed by the plant and it will run and work automatically. Free your hands and save your time and energy for plant maintenance. 2.[More Choices] The automatic watering system has up to 300 watering programmes, watering time can be chosen between 1-30 minutes, and intervals of 3h, 6h, 12h, 1d, 2d, 3d, 4d, 5d, 6d, 7d in 10 steps, which can satisfy most of the plants' different needs for water, and give you more choices. 3.[Water-saving design] Unique drip head design and plus automatic watering system watering flow rate of 400ml/min, can deliver water evenly and slowly to plant roots, deep drip irrigation, compared with traditional drip irrigation methods, greatly reduce the over-absorption of plants, saving 70% of water resources, preventing the waste of water resources. 4.[Type-c charging] This garden irrigation system is equipped with a Type-C charging port, which is in line with the latest trend in charging technology and ensures convenience and compatibility with most sockets. Once you've prepared a sufficient water supply and set up a watering programme, the automatic drip irrigation kits will automatically drip irrigate your plants while you're away. 5.[Easy to install] By investing in the water irrigation system, you will get a complete drip irrigation kit without having to buy additional items. Installation is easy by scanning the QR code above the instruction manual and use our drip irrigation kits to immerse yourself in the garden irrigation system and effortlessly provide the best care for your plants. Automatic ",