[When to Water the Plants] Do you check soil moisture by touch? Keep your hands clean with a hygrometer. Know the right time to water your garden and plants at any time. [Easy to Use] Features a scale with ten ratios and three color indicators for easy reading of soil moisture. Simply insert into the ground to get an immediate reading. Remember to wipe the soil probe after each use. [Upgrade Waterproof Material Design] The soil moisture sensor resists rust and oxidation. With a 7.25-inch (approximately 18.3 cm) waterproof probe, it is suitable for most potted plants. No battery required. Offers enhanced sensitivity and accuracy. [How to Use] Insert the probe tip into the soil down to the plant root level for several minutes. Read the result instantly from the indicator pointer. No battery needed. Wipe the soil moisture probe with a cloth after each use. [Useful Tips] 1. Mineral salts, hard water, and soil compaction can affect electrical conductivity in houseplants. 2. Do not use the hygrometer on very hard soil. 3. Never use this device to test liquids other than soil. Designed specifically for soil testing. 4. After use, wipe the moisture sensor clean. Suitable for both indoor and outdoor use, the meter is portable and easy to carry. Color: Green Material: Plastic Package Contents: 1 x Soil Moisture Meter Only the above package content is included; other items are not part of the package. Note: Lighting and display differences may cause slight variations in the color shown in the image compared to the actual item. Measurement may vary by +/- 1-3 cm.