1. Voltage: 5V 2. Power indicator: output signal LED indicator 3. TTL output valid signal is low. Driving capacity of around 100mA, it can directly drive relay, buzzer, small fan, and so on 4. Sensitivity can be adjusted via a potentiometer 5. Raindrops and control panels are separate 6. Large raindrops board, more conducive detected rain 7. Board with positioning holes to facilitate installation 8. Note: the color of the 2 pin cable is shipped at random
