SUStee Watering Indicator for Plants (Set of 5, Small, Black) - Smart Watering for All Plants, Works in All Soils | Minimalistic Design, Easy-to-Use, No Batteries | 100% Made in Japan

Dimensions: 0.4 x 0.3 x 4.7 inches (small) - Intended for pot sizes of 2, 2.5, and 3 - Ideal for small succulents 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 Set includes five refillable sustee watering sticks (black) - Moisture meter for house plants that 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