Planters' Choice Indoor Plant Moisture Meter Soil Tester - No Batteries Required : Water Sensor Hydrometer for Plants : Houseplant Care - Gardening Tools - Planting Accessories

Accurate and reliable: Each meter has been tested and calibrated to ensure an accurate reading. No batteries required: Insert into the soil how many times you need. Compact and portable: Its small and handheld design makes it perfect to use indoors or outdoors. Note: Do not insert the meter directly into the water to test the moisture. The meter will only test moisture in the soil, not the water itself. 100% satisfaction guaranteed: Love it, or get your money back! If you are unsatisfied with the product, we'll refund you 100% of the money, no questions asked.