JOYART Plant Waterer with 500ml Bottles 6Pcs Set, Automatic Plant Watering Devices, Self Watering System, Dripper Spike with Slow Release Control Valve Switch for Indoor Outdoor Plants Green

【Unique Design Valve】 Compared with other valve switch, our slow release control valve switch has 2 paths for water dripping, The water outlet is not easy to be blocked. The drip speed is controllable from 0s/1 drip to 90s/1 drip, slow release drips lasts 1-15 days, ,It depends on the days of your vacation. Self watering spikes can prevent over-watering and make plants healthier.