Sustee Aquameter, Set of 5, Plant Soil Moisture Sensor (White, Medium)

Dimensions: 7.09 x 0.39 x 0.31 inches (medium) - Intended for pot sizes of 3.5, 4, 5, and 6 - Moisture meter for house plants. The Sustee Aquameter is a leave-in soil moisture sensor pen that can be left in the soil for continuous monitoring, unlike other moisture meters that need to be taken out after each measure - Keep your hands clean by visually monitoring when your plant needs water. Set includes five refillable sustee watering sticks (white) - Award-winning product design and maintenance-free (no battery required) - Made in Japan. Has refillable replacement core - Each stick will last for approximately 6-9 months. This soil aqua meter has plant water indicator that changes color depending on soil type - White indicates plant needs watering; blue indicates it's been watered - Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick