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- USA
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Ships within 48 hours · Estimated delivery Jun 15 - Jun 20
For Your Every Summer RSVP, with Code: SUMMER15
Description
Produino 5Pcs SHT21 HTU21 Digital Humidity Temperature Sensor ModulesForm Color Blue (5 PCS) Model GY 21 SHT21 Quantity 5 piece Material PCB Application * Homes, basements and HVAC systems for measuring humidity; * People with physical conditions sensitive to humidity; * Home ventilating, heating and air conditioning systems; * Meteorology stations to predict or check weather temperatures; * Gardens or greenhouses to check humidity and temperatures; Working Voltage 5 V English Manual Spec No Download Link NO Packing

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 1485 reviews
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Product Reviews
★★★★★ 2
Not sized well at all.
Size: 11, Color: Butterscotch
Uppers are OK, but heel was cut way too narrow and were not "Wide Width" as described - caused blisters on first wear.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 15, 2025
★★★★★ 5
Great value
Size: X-Large, Color: White
Excellent fit. Great value and very comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2025
★★★★★ 5
Men's Mock Turtleneck T-shirt
Size: Medium, Color: White
I'm happy with the shirt, it was as advertised. Thanks for the fast service
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2026
★★★★★ 4
I always like turtlenecks
Size: X-Large, Color: Black
Very comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 28, 2025
★★★★★ 5
Mark T T-shirt
Size: XX-Large, Color: White
I’m content nice quality good price works for me
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 12, 2025
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