MQ3 Alcohol Detector Gas Sensor

Marsoni

M251S

$109.00

Get it in 3 business days with 1 day shipping. Friday, May 29

MQ3 Alcohol Detector Gas SensorFeatures: High quality double panel design, with power indicator and TTL output signal. Have DO switch signal(TTL) output and AO analog signal output. TTL output signal for low level effectively. (when the low output electric signal lights at ordinary times, can directly connect single chip microcomputer or relay module) Analog output voltage with concentration, the higher concentration, the higher voltage. Has better sensitivity with the liquefied

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The stick facilitates powerful, long distance throws. The ball makes a light whistling noise (to help your dog track the ball) through the air, flys far, and has held up well. I live in an area with mountain lions, and they often hunt at night, so I haven’t taken advantage of the glow-in-the-dark feature.

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Reviewed in the United States on February 28, 2026

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Verucat

Bozeman, US

★★★★★ 5

Yes!

Size: Medium

Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.

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Reviewed in the United States on September 28, 2025

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JJ Fording

Belleville, US

★★★★★ 5

Balls

Size: Medium

My dog loves chasing these balls. He seems to love the squeak! They fit the chuck it stick perfectly, and are great replacements for the originals that came with the stick.

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Reviewed in the United States on February 7, 2026

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Steve just Steve

Boise, US

★★★★★ 5

Nice set of balls

Size: Medium

The squeaker quickly became my dog’s favorite ball and has replaced the fuzzy tennis balls. My dog is a nonstop fetcher and these chuck it balls are durable and fun.

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Reviewed in the United States on January 9, 2026

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Claudia Garfield

Pawtucket, US

★★★★★ 5

Perfect ball

Size: Medium

Our dog loves these!

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Reviewed in the United States on May 26, 2026