---
product_id: 132200031
title: "SainSmart 4-Channel Multifunctional Programmable Relay Module"
brand: "sainsmart"
price: "8 zł"
currency: PLN
in_stock: false
reviews_count: 1
url: https://www.desertcart.pl/products/132200031-sainsmart-4-channel-multifunctional-programmable-relay-module
store_origin: PL
region: Poland
---

# SainSmart 4-Channel Multifunctional Programmable Relay Module

**Brand:** sainsmart
**Price:** 8 zł
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** SainSmart 4-Channel Multifunctional Programmable Relay Module by sainsmart
- **How much does it cost?** 8 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/132200031-sainsmart-4-channel-multifunctional-programmable-relay-module)

## Best For

- sainsmart enthusiasts

## Why This Product

- Trusted sainsmart brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description



## Images

![SainSmart 4-Channel Multifunctional Programmable Relay Module - Image 1](https://images-na.ssl-images-amazon.com/images/I/71RCb-4yQnL.jpg)
![SainSmart 4-Channel Multifunctional Programmable Relay Module - Image 2](https://images-na.ssl-images-amazon.com/images/I/71R4wL705GL.jpg)
![SainSmart 4-Channel Multifunctional Programmable Relay Module - Image 3](https://images-na.ssl-images-amazon.com/images/I/81W%2BPsmzmjL.jpg)
![SainSmart 4-Channel Multifunctional Programmable Relay Module - Image 4](https://images-na.ssl-images-amazon.com/images/I/71761RACRtL.jpg)

## Customer Reviews

### ⭐ 







  
  
    MIT programmer needed
  

*by C***T on Reviewed in the United States on January 28, 2020*

Still haven’t figured out how to program this thing, now it just does random switching.

---

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**Shop now:** [https://www.desertcart.pl/products/132200031-sainsmart-4-channel-multifunctional-programmable-relay-module](https://www.desertcart.pl/products/132200031-sainsmart-4-channel-multifunctional-programmable-relay-module)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-12*