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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
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Description
HKD MQ SERIES 9XGAS DETECTOR KITMQ Series Gas Detection Module MQ 2 MQ 3 MQ 4 MQ 5 MQ 6 MQ 7 MQ 8 MQ 9 MQ 135 Full set of 9 sensors (plastic box packaging) MQ Series Gas Detection Module Features MQ 2 smoke gas sensor MQ 3 alcohol sensor MQ 4 methane sensor MQ 5 LPG Natural Gas City Gas Sensor MQ 6 isobutane propane sensor MQ 7 carbon monoxide sensor module MQ 8 hydrogen sensor MQ 9 carbon monoxide combustible gas sensor MQ 135 air quality detection sensor Additional Information
MQ Series Gas Detection Module MQ-2/MQ-3/MQ-4/MQ-5/MQ-6/MQ-7/MQ-8/MQ-9/MQ-135 Full set of 9 sensors (plastic box packaging)
MQ Series Gas Detection Module
Features
- MQ-2 smoke gas sensor
- MQ-3 alcohol sensor
- MQ-4 methane sensor
- MQ-5 LPG Natural Gas City Gas Sensor
- MQ-6 isobutane propane sensor
- MQ-7 carbon monoxide sensor module
- MQ-8 hydrogen sensor
- MQ-9 carbon monoxide combustible gas sensor
- MQ-135 air quality detection sensor
Additional Information
| Device | Module |
| Type | MQ Series | Gas Detection |
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
4.4 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Awesome shirts
Size: Small, Color: Bright Blue/Dark Navy/White Rugby Stripe
Cute fit well
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Reviewed in the United States on December 28, 2025
★★★★★ 5
Great t shirts
Cute pack of toddler t shirts. Good quality and easy to clean. He practically lived in these over the summer
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Reviewed in the United States on December 21, 2025
★★★★★ 5
100% cotton
Size: X-Small, Color: Ivory/Sage Green/Terracotta
These t-shirts are a great value! The fabric is soft, breathable, and holds up well after multiple washes. The fit is true to size, and the colors stay vibrant. Perfect for everyday wear, playtime, or layering. A reliable and affordable staple for any kid’s wardrobe.
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Reviewed in the United States on September 12, 2025
★★★★★ 5
My favorite!
Size: 3T, Color: Indigo
These are my favorite jeans for my toddler. They look great. Great quality. I love the color. Good value for the money. Fits perfectly
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Reviewed in the United States on November 16, 2025
★★★★★ 5
price, quality, stylish
Size: X-Large, Color: Washed Black
These are an absolute steal for the price! My 10-year-old son adores these pants! They are stylish, very comfortable of great quality!
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Reviewed in the United States on January 16, 2026