Features:
- Voltage: DC 5V
- Power indicator， output LED indicator
- TTL output
- TTL output effective signal is low level
- Drive capability: About 100mA
- Can directly drive relay， buzzer， fan
- The sensitivity can be adjusted by potentiometer
- The LED will light up the high level as no rain
- As it rains， output will be at low level， and LED will be on
- Application: DIY project and other electronic products