Operating voltage: 3.3V~5V
Adjustable sensitivity for Digital Mode
Dual output mode: Digital and Analog
Power indicator (red) and digital switching output indicator (green)
PCB Dimension: 3cm x 1.5cm
Soil Probe Dimension: 6cm x 2cm
Cable Length: 21cm
VCC: 3.3V-5V
GND: GND
DO: digital output interface(0 and 1) The potentiometer adjusts the trigger level.
AO: analog output interface.