Abou this item【Automatic self-watering system】This indoor watering system is the perfect solution for watering your houseplants when you are on holiday or on holiday. Set the time interval (1 to 10 days) and the watering time (1 to 90 seconds). Once programmed, this automatic watering set will take care of watering the plants for you. The plant watering device is equipped with a filter that prevents it from clogging.【USB rechargeable】Operate this plant watering system with rechargeable USB, portable to hang on the water bucket of your bedroom, balcony or garden for self-watering indoor plants. Normally, it can be used for about 3 months after fully charged.【Easy to use】Only 2 steps to set up the automatic watering device. Example: If your plants .