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Soil moisture sensor for irrigation with adjustable sensitivity and output relay contact
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Soil humidity sensor for...

$33.64
(4,3/5) out of 3 total ratings
Battery level indicator for water tanks with remote control up to 100m
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Battery level indicator for...

$37.48
(5/5) out of 7 total ratings
Twilight sensor switch 230V 2000W with discrete sensor on wall hole
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Twilight sensor switch 230V...

$13.47
(5/5) out of 2 total ratings
Outdoor / indoor twilight sensor switch 230V with relay contact output
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Outdoor / indoor twilight...

$14.99
(5/5) out of 5 total ratings
12V DC water or conductive liquid presence switch with relay contact at output
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Water or conductive liquid...

$14.83
(5/5) out of 6 total ratings
EMI anti-interference mains...
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EMI anti-interference mains...

$28.11
(5/5) out of 4 total ratings
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Double solar charge controller for 12V 16A photovoltaic panels
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Double solar charge...

$25.48
(5/5) out of 1 total ratings
HIGH POWER PIEZOELECTRIC SIREN 12V DC 120dB 350mA
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HIGH POWER PIEZOELECTRIC...

$11.71
(4,5/5) out of 2 total ratings
Alcohol, acetone, benzene, propane, monoxide gas sensor KIT with relay output
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Alcohol, acetone, benzene,...

$22.28
(5/5) out of 2 total ratings
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