mini rain alarm detection water activated leaph humidity sensor alarm kit 12V

A Rain sensor alarm circuit can be a very beneficial device for alerting when rainfall happens. The rain detector is very sensitive to detect rain, or moisture.
Manufacturer: Deselectra
$8.50
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Price$18.00

Item Description:

Perfect for home use!

A Rain sensor alarm circuit can be a very beneficial device for alerting when rainfall happens. The rain detector is very sensitive to detect rain, or moisture.

Total Dimensions:

- length - 49 mm

- width - 14 mm

- height - 12 mm

Sensor Dimensions: 26 mm x 14 mm 

Sensor can be cut at the line of holes and extended with wires and placed outdoor. 

 The sensor have protection against reverse supply voltage.

The output is alarm with "beee" loud tone.

Power supply : from 9 to 14 V DC

Led indication for started alarm.

Power consumption in standby mode - 0 mA (doesn't have consumption), in active mode: 21mA. 

It is good for alarm and can work very long time in standby.

Principle of work:

When power is on, the switch is in standby mode.  When water is detected on the sensor the alarm will start until sensor stay dry again. 

Device doesn't have plastic box, only plate, as it is seen on the picture.

 Package contents:

1.Rain Alarm

2. Instruction for use and wiring diagram.