RTR503B Bluetooth 4.2 Wireless External Temperature and RH Recorder

RTR503B Bluetooth 4.2 Wireless External Temperature and RH Recorder

Marsoni

M251S

$136.41

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

RTR503B Bluetooth 4.2 Wireless External Temperature and RH RecorderRTR503B The RTR 503B is equipped with built in wireless communication capability. They are compact and durable data loggers featuring waterproof and dust proof construction and come with an External Temperature and RH sensor. A high precision temperature humidity sensor for RTR 507 extends the measurement range and accuracy. The body is splash proof (IP64 rated for use in daily life) and can be used in wet environments. (Note: The sensor is not water

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Your RTR503B Bluetooth 4.2 Wireless External Temperature and RH Recorder orders ship within 1-2 business days.

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 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.
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My husband loved these at first. Pros -easy to get on/off -stylish -comfortable -interior/exterior sole construction lasted longer than other more expensive shoes -price is great Cons -after less than a year the mouth of the shoe widened to a point where they slide off way too easy rendering them almost unwearable. -laces cannot be tightened

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Reviewed in the United States on February 9, 2026

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napoleon cruz

Alexandria, US

★★★★★ 5

Great !!

Size: 8, Color: Black/Black, Size: 8, Color: Black/Black

This item is awesome! Fits good & lightweight ! .

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Reviewed in the United States on June 3, 2026

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Larry

Carnegie, US

★★★★★ 5

Good value for the money.

Size: 9.5 Wide, Color: Beige

Comfortable right out of the box. Great style and well made. The more you wear the softer they get but maintain their overall appearance.

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Reviewed in the United States on May 25, 2026

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Amazon Customer

Cuba, US

★★★★★ 5

Very good quality for a reasonable price.

Size: 10, Color: Grey

Very good quality, very soft, very comfortable, look amazing, I’m very happy.

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Reviewed in the United States on May 23, 2026

Verified Purchase

Mike L.

Chelsea, US

★★★★★ 4

Comfortable fit for slip-in fabric shoes

Size: 14, Color: Black/Black

My first experience with Marc Joseph. I typically purchase dress and casual work shoes from Florsheim and occasionally Rockport. I'm giving these four stars because the initial fit and feel appear solid. Depending on the shoe brand I wear a size 14 or 15. My feet are slightly wide but I don't alway need wide fit. These size 14 fit well with wide enough toe box. I've tried slip in shoes before and they just don't feel right. These somehow work and there is no heel slip. My only reservation is the high lip on the heel for slip-in and hope they dont catch pant hems. I gave 4 stars because I'll have to determine durability. Granted they are a light fabric shoe with a soft rubber tread. I'd like them to last for at least 6 months..and use them for business casual work wear during warm weather.

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Reviewed in the United States on May 19, 2026