Skip to main content

TweakDeals © 2026 — Independent price tracker

How We Score About Privacy Terms

MQ-4 air quality sensor smoke alcohol gas detection module p — Expert Review | TweakDeals

Deals Categories Scores Reviews

View full product page

MQ-4 air quality sensor smoke alcohol gas detection module ph2.0 anti reverse connection compatible with Lego and arduino esp32

Expert Quality

—

Deal Score

—

Price

$3.94

Current Price

$3.94$5.47-28%

Buy on AliExpress

Full Product Page

Price history, images, and seller info

Source citations and score breakdown

Computer Peripherals

More products in this category

Expert scores synthesized from trusted sources including Crinacle, AudioScienceReview, TechPowerUp, and more. How we score →