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S31 LoRaWAN Waterproof Temperature and Humidity Sensor

Marsoni M251S
Sale price$119.00
Pay 4 payments of $29.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
S31 LoRaWAN Waterproof Temperature and Humidity SensorS31 LoRaWAN Waterproof Temperature and Humidity Sensor The Dragino S31 LB is a LoRaWAN Temperature and Humidity Sensor for Internet of Things solution. It is used to measure the surrounding environment temperature and relative air humidity precisely, and then upload to IoT server via LoRaWAN wireless protocol. The temperature & humidity sensor used in S31 LB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.6 ★★★★★
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Verified Purchase
mobrien
Draper, US
★★★★★ 5
Perfect!
Gem Type: Emerald, Ring Size: 8
Quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
H
Verified Purchase
Hilda Ward
Battle Creek, US
★★★★★ 5
Emerald ring is prettier than pictured.
Gem Type: Emerald, Ring Size: 7
Granddaughter loves it. Her mom does also, and expects one for her birthday. Perfect gift.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
A
Verified Purchase
Amazon Customer
Alexandria, US
★★★★★ 5
Stunning! So happy I purchased!
Gem Type: Emerald, Ring Size: 10
I love emeralds but I wanted something in gold and Ross Simmons never disappoints. Only had it 2 days but I work in retail and receive so many compliments. It’s prettier than the picture, don’t hesitate to buy this!
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Reviewed in the United States on January 6, 2026
J
Verified Purchase
JL
Grantham, US
★★★★★ 5
Simple and Elegant
Color: White Gold - 3.5 mm, Ring Size: 8
I was looking for a band that would match my white gold engagement ring. This is it.
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Reviewed in the United States on May 27, 2026
S
Verified Purchase
Speedy Gonzalez
Charlottesville, US
★★★★★ 5
Thick, true fit, comfortable, and perfect!
Color: White Gold - 3.5 mm, Ring Size: 6.4, Color: White Gold - 3.5 mm, Ring Size: 6.4
Excellent price gorgeous comfortable fit, thick and beautiful
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Reviewed in the United States on April 3, 2026

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