Each indicator measures 36 cm in length and 3 cm in diameter, designed to fit a variety of plant pots. Clear visibility of the water level allows for timely and flexible watering, making plant care effortless. Constructed from premium quality plastic, ensuring safety and durability for long-lasting use. Eco-friendly solution requiring no batteries or electricity; simply insert into the soil for immediate use. Versatile and practical for a wide range of applications including hydroponic systems, cultivation pots, and flower boxes., Manufacturer: Ounfhtrttk