This analog capacitive soil moisture sensor measures soil moisture levels by capacitive sensing, rather than resistive sensing like other types of moisture sensor
It is made of a corrosion resistant material giving it a long service life
Insert it into soil and impress your friends with the real-time soil moisture data
This module includes an on-board voltage regulator which gives it an operating voltage range of 3.3 ~ 5.5V

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"