Greenhouse temperature and hygrometer wireless remote mobile phone intelligent monitoring agricultural breeding cold storage recorder alarm sensor

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(2G network) 2 lithium batteries + charging cable (warranty 2 years rest assured to buy)
(2G network) 4 lithium batteries + charging box (warranty 2 years rest assured to buy)
(Recommended - 4G network) 2 lithium batteries + charging cable (warranty 2 years rest assured to buy)
(Recommended - 4G network) 4 lithium batteries + charging box (warranty 2 years rest assured to buy)
(Recommended - 4G network) 2 lithium batteries + adapters (warranty 2 years rest assured to buy)
(4G network) negative pressure gauge (warranty 2 years rest assured to buy)
(WIFI) negative pressure gauge (warranty 2 years rest assured to buy)
Customer customization (large amount of preferential treatment)

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Color classification:: (2G network) 2 lithium batteries + charging cable (warranty 2 years assured to buy) (2G network) 4 lithium batteries + charging box (warranty 2 years to buy with confidence) (recommended - 4G network) 2 lithium batteries + charging cable (warranty 2 years to buy with confidence) (recommended - 4G network) 4 lithium batteries + charging box (warranty 2 years to buy with confidence) (recommended - 4G network) 2 lithium batteries + adapters (warranty 2 years to buy with confidence) (4G network) negative pressure gauge (warranty 2 years to buy with confidence) (WIFI) negative pressure gauge (warranty 2 years to buy with confidence) Customer customization (large amount of preferential treatment)