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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
Industrial 8-Ch Ethernet Digital Input / Output Module Modbus RTU / TCP Protocol, Supports PoE Power Supply, 339171. Onboard voltage regulation chip, supporting a wide voltage range from 7V to 36V, and supporting PoE Ethernet power supply 2. Supports control via MQTT protocol, providing Alibaba Cloud MQTT application routines 3. Onboard integrated power isolation, capable of providing stable isolated voltage, and the isolated end does not require additional power supply 4. Input features bidirectional optocoupler isolation, supporting passive and active switch
1. Onboard voltage regulation chip, supporting a wide voltage range from 7V to 36V, and supporting PoE Ethernet power supply
2. Supports control via MQTT protocol, providing Alibaba Cloud MQTT application routines
3. Onboard integrated power isolation, capable of providing stable isolated voltage, and the isolated end does not require additional power supply
4. Input features bidirectional optocoupler isolation, supporting passive and active switch input, built-in anti-jitter algorithm, relays support switch input linkage mode or inversion mode control
5. Output uses Darlington, with optocoupler isolation, stronger driving capability, with a driving current of up to 500mA, and built-in reverse current diode protection
6. Output has flash-on and flash-off functions, can be set with parameters in the instruction, automatically turns off after a certain period of time after the output is turned on
7. Rail-mounted enclosure design, convenient installation, safer to use
8. External indicator light, convenient for checking input/output status, MCU status and signal transmission/reception status
9. Size: about 14.5 x 9 x 4 cm
Packaging list:
- Modbus POE ETH IO 8CH host unit x 1
- Screwdriver x 1
Specification:
| Package Weight |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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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4.8 ★★★★★
Based on 917 reviews
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Product Reviews
★★★★★ 5
Nice BIG enameled cast iron dutch oven. like LeCreuset but costs less
Color: Blue, Size: 6-Quart
This is nice quality, similar to the far more costly French LeCreuset brand. I was surprised how big this model is, possibly too big for my small kitchen and limited storage space. I store it in the oven. It would be great for baking sourdough boule bread.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Enamel finish
Color: Matte Navy, Size: 6-Quart
This is an amazing pot, got the 6 Qt
for beautiful roast dinners and for baking bread. All comes out evenly baked. Cast Iron is best and it has a nice finish for easy clean up.
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Simple, Comfortable, and Exactly What You Expect
Style: Rack with 3 Pairs (5, 10, and 15 Pound)
These are pretty much exactly what you want from a set of dumbbells — simple, functional, and no nonsense. The neoprene coating gives them a comfortable grip and keeps them from feeling slick in your hands, especially during longer workouts or if your hands get sweaty.
The coating also helps keep them from banging up floors or making as much noise compared to bare metal weights, which is nice if you’re working out at home.
Weight accuracy seems fine for general fitness use, and they’ve worked great for things like accessory movements, shoulder work, lighter presses, rehab-style exercises, and general muscle toning. The shape also helps keep them from rolling around everywhere when set down.
They’re not fancy, and they’re not trying to be — they’re just dependable dumbbells that do what they’re supposed to do at a fair price.
If you want straightforward hand weights for home workouts without overthinking it, these are a solid buy.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Reliable, Comfortable Dumbbells I Actually Use Every Day
Style: 12 Pound, Pair, Style: 12 Pound, Pair
I’ve been using the Amazon Basics Neoprene Dumbbell Hand Weights daily, and they’ve honestly been perfect for my routine. Whether I’m doing a quick morning workout or adding resistance to a longer session, these have held up really well.
The neoprene coating makes a big difference—it provides a comfortable, non-slip grip, even during longer workouts or when my hands get a little sweaty. They’re also easy to clean and don’t have that strong rubber smell some weights can have.
I really appreciate the hex shape too. They stay put when I set them down (no rolling across the floor), which makes switching between exercises quick and frustration-free. The weight feels evenly distributed and well-balanced, so movements feel controlled and smooth.
Overall, these are simple, no-frills dumbbells that just work. If you’re looking for reliable hand weights for everyday use—whether you’re a beginner or just need something dependable for home workouts—these are a great choice.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Great quality and perfect for home workouts!
Style: Rack with 3 Pairs (3, 5, and 8 Pound)
I’m really happy with this dumbbell set. The weights are clearly labeled (3 lb, 5 lb, and 8 lb), which makes it super convenient to switch between exercises. The neoprene coating feels comfortable in hand and provides a good grip, even during longer workouts.
The storage stand is a big plus—it keeps everything organized and saves space, which is perfect for a small home gym. The colors are also nice and make it easy to quickly grab the weight you need.
Overall, this is a great set for beginners or anyone looking to add light strength training to their routine. Highly recommend!
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Reviewed in the United States on April 13, 2026