With built-in automatic optical sensor inside the bird, so that the sing alarm function will automatically turn off at night. Type:Soil Alerter. Colour:Red,Yellow,Blue,Black. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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120dB loud alarm sound keep alarm to notice you until the water is dry or sensor is turned off. 1, Dry water on the sensor after alarm, otherwise it will continuously alarm. Widely used for fish tank, water tank, kitchen, warehouse, garage, solar water heater and so forth.
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Working humidity：0%~70%. VA reverse display color screen：Yes. Automatic shut- down：10 minutes.
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Perfect for households, camper vans, and boats. Box contents: 1 carbon monoxide detector and carrying strap, weight 2.4 oz.
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This module is a plant watering alarm - as simple as that. You put it into the soil near a plant and it emits a tiny chirp when the soil is dry, reminding you to water the plant. The alarm level can be set for each plant individually.
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Notice:Simply press the zero button in the ambient air to reset.
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Perfect for households, camper vans, and boats. Box contents: 1 carbon monoxide detector and carrying strap, weight 2.4 oz.
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