Sustee humidity meter

The Sustee watering stick easily changes color, letting you know when your plants need watering. This multi-award-winning design is maintenance-free and works with all types of plants. Batteries are not required. Designed and manufactured in Japan.

Product Details:
Small size suitable for pots with a diameter of 2.4 to 3.5″
Medium size suitable for pots with a diameter of 4.7 to 7.1″