The Automatic Watering Spikes are Good nanny for plants It can help you take care of plants when you go out It helps plants through the long hot summer How to use the Automatic Plant Watering Devices? 1.Prepare a bottle to fill water 2.Connect the spikes mouth to the bottle connector 3.Air Switch:You need drill some holes at bottom of bottle or cut it 4.Insert the water probes into the soil 5.Water is released directly to roots Powerful Watering Device 1.Versatile use with indoor and outdoor plants 2.Grow healthier plants by preventing over or under watering 3.Clearly see when to refill so your plants stay hearty and robust 4.It can be adjusted to provide appropriate water according to different plant needs 5.Travel more without having to worry about someone to water your plants Very convenient for daily using especially if you don't like watering or you are too busy to take care of your plants, the item is a good solution to save you time and energy with a water pump and a timer. Your plants will grow healthily even when you go on a vacation and are lazy at home, it can work up to 2 weeks. Perfect helper for your home, office, dormitory, etc. Don't let your plants get too thirsty! Accurate flow control Plant Spikes to keep your plants from drying out, it would save your time and energy. Without having to water everyday and eliminates the need to haul heavy watering cans . That can wash away soil, drip on the floor and wash nutrients out of the pot from over-watering. Bring the joy of plants back to your home and office. Free shipping by USPS delivery in 7-15 working days.