Product Description Spikes for plant irrigation - Automatic watering system of the plant irrigation device. Upgraded version Universal design, no hole needed, suitable for multi-drink bottles , bottles of red wine. constant pressure to make the water flow more stable Old version Only suitable for; a variety of beverage bottles, not suitable for regular red wine bottles Features: - No need to drill holes in the bottom of the bottle or cut the bottle, - Suitable for the inner diameter (0.7-1 inch) from the bottle - No need to worry about your flowers when on a business trip or vacation. Read More Controlled Water Flow Label Plant irrigation devices with control valves can control the speed of the water droplets in the drop from 0 to 100 to 1000 Ω. 90 s / 1, which lasts from 1 to 30 seconds. 15 days.Therefore, you can go out and play without worries. It is recommended to use the slowest speed Holiday Assistant When you enjoy your long holidays, it is not necessary. care about your