SAVE YOUR PLANTS: Over watering can cause problems with your plants or even kill them. This soil moisture meter helps you know the soil is dry, moist or wet.No more over watering! ACCURATE & FAST READING: This plant moisture sensor can get accurate and fast reading of moisture level in the soil, just plunge the probe sensor into the soil to the plant root region and read the meter. No need to wait! NO BATTERY NEEDED: The plant hygrometer is simple and easy to use, no battery or electricity needed. The meter probe can easily get down to the plant roots area and tell if you need to water or not. INDOOR OUTDOOR USE: With 7.6 inch long probe sensor design, this soil moisture meter is suitable for both indoor and outdoor use. Great lifesaver for indoor outdoor plants and flowers, hanging flower baskets, potted plants,vegetable, grass watering,picky plants. GREAT SIZE & PORTABLE: This soil meter is a great handy tool for home gardeners, plant lovers, beginners. Do not leave the soil moisture meter in the soil for long time or directly soak it into a cup of water that will ruin the device.