Power Tool Consumables -Water Level Gauge Garden Tools Highlights Generic Brand Water Level Gauge Garden Tools Description: No batteries or electricity needed, plug in and use. This water level gauge is used for flower pots. It can display the water level to remind you to water. When there is no water in the pot, the water level gauge buoy will be at the bottom. On that note, raise the water level and water the plants through the hole. Simply insert the level into the ground and it will help your plants grow healthy and strong. A perfect tool for indoor and outdoor use. Specification: Material: Plastic #1 Size: about 20cm/7.87inch #2 Size: about 22.5cm/8.86inch Package includes: 2pcs water level 20cm 2pcs water level 22 .5 cm Note: Do not pour too much water, it is better to leave the buyo below the upper water mark.