New Drip Irrigation Kit - This drip irrigation device adopts a new design to ensure that water can drip precisely to the root of each plant, avoiding watering trouble insufficient or excessive. It is very suitable for indoor or outdoor potted plants, garden plants, patio pots, hanging plants or any other plants Adjustable Valve - Precise valve control switch , can control the drip speed at 0-90s/drop. You can set the drip time to 3-15 days or more according to your needs. The tricky part is adjusting your drip rate to the plant&39;s needs, tray size, and evaporation rate, especially in summer and full sun Suitable for Different Bottles - You need to choose a suitable water bottle according to the water demand of the plant and the size of the flowerpot. Suitable for 25-30MM caliber common beverage bottles. Most cola and soda bottles on the market can be used Stable Support - Our watering device uses a cross-shaped support design, which makes it easier to insert into the ground and increase also the stability of the drinker during use, and it is not easy to be knocked over. The self-watering plant spikes can handle 500ml to 2 liter water bottles. (It is recommended to use a 2 liter water bottle only for large flower pots) Easy to Use - Our watering device is made of PP plastic, with strength and toughness high, good heat and cold resistance, you can use it repeatedly. No tools are required for installation, no need to drill or cut holes in the bottom of the bottle. The operation is simple and there is no need to worry about leakage Product size: 17.5 x 5 cm. Color: mixed color, green rice powder Quantity: 6 pieces