"AUTOMATIC WATERING SYSTEMAutomatic pot watering system is a good assistant for the gardening, Without worried your plants withered while you are on holiday with your family. Plant watering system is made of ABS plastic. A green and environmental product approved by the environmental protection department.UPGRADE DESIGNnewest plant waterer design with fixed support structure, can prevent self-watering device dumping during using it. The upgrade regulating switch design, seamless connect the tube, effective prevent leaking.ADJUSTABLE SWITCHNewly upgraded valves are more accurate, Plant water dispenser flow can be controlled by valves to avoid over-watering and provide different amounts of water for different plants and flowers, and the sustained release drip lasts for 1-15 days to meet your long time travel needs without complicated setup steps.EASY TO INSTALLATIONSimple to install, just connect the fit water bottle, and insert the watering stakes into the flower pot, poke some small hole in the bottom of the bottle for exhaust, and then open the control valve. plant drip irrgaition provides water straightly to the plants roots with no leak from bottle mouth.FIT MOST BOTTLESOur self watering system for plants have inclined reverse plug-in interface design, will compatible with 0.8~1.2 inch calibers beverage bottles such as Dr.pepper, Pepsi, Coca-Cola, Deet Coke, Aqufina or other beverage bottles."