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Buy Box Ad Container Module for Desktop

Custom HTML Module - About Klarna

Custom HTML Module - About SalesFinancing - Second update

You'll choose a plan at checkout.

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I want delivery savings with Delivery Pass

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NEW Fulfillment Tue Apr 15 2025 2:17 PM EDT

MTZ Team | Marquee 1 Ad | Item Page

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Other products of interest

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More items to explore

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NEW AddonServicesRedesign Fri Jul 18 2025 1:30 PM EDT

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Walmart Rewards Mastercard

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I want shipping & delivery savings with

NEW Fulfillment Mon Jul 14 2025 4:00 PM EDT

NEW InternationalShipping Mon May 18 2026 1:02 PM EDT

New Item Page - Nutrition Value Placeholder Module, Wednesday, February 08, 2023, 5:11:53:90 pm

New Item Page - Product Description Placeholder Module, Wednesday, February 08, 2023, 5:14:04:38 pm

New Item Page - Product Ingredients Placeholder Module, Friday, February 10, 2023, 10:34:23:79 am

New Item Page - Product Specifications Placeholder Module, Wednesday, February 08, 2023, 5:15:29:61 pm

New Item Page - Reviews Placeholder Module, Wednesday, March 22, 2023, 10:04:29:34 am

New Item Related Shelves Module, Thursday, June 15, 2023, 6:08:51:10 am

 Price Match Policy

Prices, terms, and availability may vary online, in stores, and in–app. If the advertised price is not shown here, inventory at the advertised price may now be sold out. Please see the other offers, if available, while quantities last. Some items may be available from Marketplace Sellers, who set their own prices, and are not eligible for price match. Items sold in store by Walmart may be eligible for a price match to online items shipped and sold by Walmart. For variable weight items, price shown is an estimated price only – you will be charged for the actual weight of the item. See our

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Return Policy

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New SellersSecondaryBuyBox Module, Tuesday, September 05, 2023, 4:02:21:76 pm

NEW ShopWithConfidence Thu Jan 15 2026 2:20 PM EST

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NEW SoldAndShippedBy Mon Jul 14 2025 5:04 PM EDT

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New!

More savings, less stress.

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NEW SubscriptionOptionsModule Tue Apr 15 2025 6:44 PM EDT

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[Sticky] BuyBoxAd Mon Aug 11 2025 3:59 AM EDT

[Sticky] PriceInformation Mon Jul 14 2025 4:03 PM EDT

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dWeb: L1/L2- Comparison Chart- WK 07, 2026

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Item Carousel - Rich Relevance 1

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4 Channel Relay Module, PCB USB Relay Expansion Board Plug And Play 10A 250VAC Send Serial Commands With Chip And Microcontroller For Computer

<ul><li>EQUIPPED WITH CHIP AND CONTROLLER: 4 channel Micro USB relay module has stable USB to serial port chip and microcontroller</li><li>SWITCH CONTROL: Serial commands can be sent on the computer using serial debugging software to control the opening and closing of the 4 channel relay</li><li>EASY TO USE: Onboard for control chip, drive free, plug and play, convenient for you to use, useful and practical</li><li>PROTECTION FUNCTION: The module has overcurrent protection and relay diode freewheeling protection, very safe</li></ul>

Brand

Assembled Product Weight

Specification: Item Type: 4 Channel Relay Module Material: PCB copper plate Package List: 1 x 4 Channel Relay Module Note: You must insert the device first and then open the software, because only when you open the software will the software detect whether there is a device inserted and establish an automatic connection.

Assembled Product Dimensions (L x W x H)

Universal Product Code (UPC check)