SUStee Watering Indicator for plants (Set of 2) - Smart Watering for All Plants, Works in All Soils | Minimalistic Design, Easy-to-Use, No Batteries | 100% Made in Japan (Black, Medium)

Dimensions: 7.09 x 0.39 x 0.31 inches (medium) - Intended for pot sizes of 3.5, 4, 5, and 6 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 two refillable sustee watering sticks - Color: black Senses water at root level, no dirty fingers & damaged roots trying to gauge soil moisture 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 Moisture meter for house plants Award-winning product design, environmentally friendly, and maintenance-free (no battery required) - Creates little waste Has refillable replacement core - Each stick will last for approximately 6-9 months Award-winning product design - Made in Japan; high-quality product Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick.