Features: Achieve optimal watering for your beloved greeneries with the 3V Plant Soil Moisture Alarm. Monitor soil moisture levels to prevent overwatering or drought. Easy installation and adjustable sensitivity make this electronic device suitable for a variety of gardening needs. Perfect for gardening enthusiasts and homeowners who want to provide their plant with the right amount of water. Suitable for indoor garden, flower pots, and various plantings areas. Say goodbye to guesswork and enjoy healthier plant with this reliable and convenient soil moisture alarm. Specifications: Material:Electronic Component Operating voltage: 3V Size:Approx.140mm/5.51''x15mm/0.59'' Package Includes: 1x Humidity Moisture Sensor note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.