[The package includes] Our set includes 2 drip irrigation, 2 green drop irrigation and 2 drip irrigation Orange.The automatic plants is a good help for gardening. [Plant irrigation system] Automatic plant watering can prevent excessive watering of water, you do not have to take care of plants every day and make them healthier . You can travel and spend a safe vacation with your family and friends. [Speed Control Design] Our automatic irrigation system is equipped with a drip irrigation valve, which can effectively control the flow of water. The drop-down rate can be controlled between 0 s \/ 1 to 60 s \/ 1 drop, and slow release can last from 1 to 15 dPXCL. [Easy to use] The sprinkler can be installed without tedious installation, simply press the drip water and insert it into the floor. The automatic irrigation system can handle most bottles. [widely used] The plants irrigation kits are ideal for scientific development. The irrigation system can be used to irrigate the ground, hanging baskets, flowers, vegetables and many other indoor and outdoor plants. Product Name: Automatic drip irrigator Size: 13.5 cm Objective: Watering \/ Fertilization Color: Green \/ Blue \/ Orange Applicable water bottle: 28 mm caliber, most beverage bottles can be used Delivery quantity: 6pcs