①Intelligent irrigation drip: Automatic cleaning, start-up water flow channel, anti-clogging performance. ②Water-saving leak-proof: Precision watering system delivers the exact amount of water needed, slowly and precisely, right where your plant needs it. ③Adjustable drippers: 8 water holes allow you a long-term use and convenient irrigation. Able to adjust the water flow by rotating the drip head, ensures uniformity of irrigation. ④Application: Adjustable drippers, fit well with 4mm/7mm(inner/outer diameter) hose, perfect for irrigation of garden, greenhouse, vegetable garden, lawn, plouse, etc. ⑤Wide water coverage: they open the full cover a 1.3m circle. Able to maintain constant when long pose or pressure fluctuations, uniformity of irrigation. Specifications: Material: Plastic Adjustable flow rate: 1-70 L/h Working pressure: 1-3 kg Suitable for 4mm/7mm (inner/outer diameter) pipes Packing List: 200 x Spray Nozzle