ITEM NAME:Plant Watering Alarm Alert Humidity Sensor Module Soil Moisture Sensor KRC XAT Descriptio n Features: Supports 3-Pin Gravity Sensor Interface Analog Output Applications: Garden Plants Moisture Detection Intelligent Agriculture Specifications: Operating Voltage: DC 3.3-5.5V Output Voltage: DC 0-3.0V Interface: PH2.0-3P Size: 99x16mm/3.9x0.63" Quantity: 1 Set Package Included: 1 * Humidity Sensor Module We offer you what you need! CJMCU Plant Watering Alarm Alerts Humidity Sensor Module Soil Moisture Sensor.1 Humidity Sensor Module. Supports 3-Pin Gravity Sensor Interface. We'd like to settle any problem in a friendly manner. Interface: PH2.0-3P. Analog Output. We want to make sure you are happy with our item.