Accurate soil moisture detection This portable hygrometer tester provides precise readings to help you determine the optimal watering time for your plants, reducing under- or over-watering. Easy to read display Includes a humidity calibration chart and a display with red, green and blue indicators for quick, clear interpretation of soil moisture levels. Reliable construction Durable metal and plastic construction built for longevity, capable of withstanding wear and tear for reliable indoor and outdoor use. Compact and portable design Dimensions: 145 mm length, 30 mm width, 35 mm height. Lightweight and easy to carry, suitable for a range of environments from small pots to large garden beds. Use scenarios - Home potted plants and houseplants: check moisture before watering to keep roots healthy. - Balcony or patio herb gardens: monitor container soil to maintain consistent moisture. - Outdoor vegetable beds or raised beds: assess soil moisture across areas to plan irrigation and prevent drought stress.