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Reel Length (Metric): 100m
the DS18B20 can derive power directly from the data line ("parasite power")
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SIM900_AT Command Manual_V1
Small brushless Liquid Pump (4 L/Min) HMax 300 CM 100 OHM Reel Length (Metric): 100mThis is high performance brushless DC pump with long life, small size, high efficiency, low noise and low power consumption and adopt high performance stainless steel shaft. It is submersible and entirely waterproof (IP68) with flow rate of 4L MIN. The axis is enclosed with static sealing, not dynamic, which can avoid leaking problems. Can be used in many fields, such as cooling system, Garden fountain, Aquarium, car cooling system, humidifier, air