Safe material One-piece automatic watering device without installation, PP material, frosted surface, fine workmanship, no burrs, comfortable to the touch; length 17 cm, width 6 cm, plastic bottles with a diameter of 28 to 5 cm. 30mm can be used, no need to upgrade. Level the overall size Drill the holeAdjustable dripping speed The tapered insertion rod can be easily inserted into the soil, and the roots can be directly irrigated without damaging the root system, which makes it more stable. Stepless speed regulation, control the dripping speed according to the water tightness. of the drip speed device. Anti-blocking designThe upgraded inclined surface is designed to enhance the design, and the water drips smoothly and the sediment is not easy to be washed away. to block. The water outlet at Double channel turbojet type reduces voltage, is not easy to decompose. block and makes water flow smoother. WIDE APPLICATION Let your plants be at home. inside or outside outside, outside Whether at home or in the office, this automatic watering system can ensure that your plants are well hydrated. These plant waterers are perfect for potted plants, indoor plants, garden plants, hanging baskets, patio planters, hanging plants or any other plants.NO DRILLING, INSTALLATION EASYNo tools required for installation. Say goodbye to plant waterers that need to pierce or cut the bottom of the bottle, our plant waterer is more convenient and easier. Stopping watering is not affected. by water pressure. No need to worry about water pressure, no leaks. Allow 3 to 3 hours 20 days of water supply, without fear of going out.