Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 18 - Jun 23
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Description
Waveshare MQ-2 Gas SensorOverview 1. Sensitive for LPG, propane, hydrogen 2. Output voltage boosts along with the concentration of the measured gases increases 3. Fast response and recovery 4. Features boost circuit 5. Adjustable sensitivity 6. Signal output indicator Specifications 1. Power: 2. 5V ~ 5. 0V 2. Dimension: 40. 0mm * 21. 0mm 3. Mounting holes size: 2. 0mm Applications Gas leakage detector How to Use In the case of working with a MCU: 1. VCC: 2. 5V ~ 5. 0V 2. GND:
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
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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.
- To process your return/exchange, please contact us at [email protected]
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 951 reviews
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Product Reviews
★★★★★ 4
Small
They were smaller then I thought they would be the size for a small dog or puppy. My dogs thought they were great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 23, 2025
★★★★★ 5
The best small dog chew stick ever
I've bought these several times and given them out to friends. These last a lot longer than the rawhide chews. Our poodles love them; over the past year, they are the go-to toy.
My daughter and son-in-law's Dalmatian, who went through a moose antler in two days, still has one of these in decent shape after two months.
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Reviewed in the United States on October 5, 2024
★★★★★ 5
Great item for aggressive chewer
My dog is an aggressive chewer. He loves these! I had hoped it would stop him from chewing sticks and branches but it didn’t!
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Reviewed in the United States on March 4, 2026
★★★★★ 3
A bit smaller than expected
Dogs loved them but felt they were a bit smaller than expected. I had to take it away as I was afraid the dogs might choke / try to swallow.
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Reviewed in the United States on May 15, 2024
★★★★★ 5
Great Product
It was smaller than I thought, but it works great for my 9 month and 4 month old puppies. They liked the flavor and it is very durable. Probably not a good idea to take outside if you are surrounded by mud and/or dirt. Puppies will no longer want to play with it.
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Reviewed in the United States on September 20, 2021
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