---
product_id: 16431463
title: "1 Pieces - Humidity Switch Relay Module Humidity Controller C9"
brand: "3v"
price: "$52.44"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/16431463-1-pieces-humidity-switch-relay-module-humidity-controller-c9
store_origin: EC
region: Ecuador
---

# 1 Pieces - Humidity Switch Relay Module Humidity Controller C9

**Brand:** 3v
**Price:** $52.44
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** 1 Pieces - Humidity Switch Relay Module Humidity Controller C9 by 3v
- **How much does it cost?** $52.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/16431463-1-pieces-humidity-switch-relay-module-humidity-controller-c9)

## Best For

- 3v enthusiasts

## Why This Product

- Trusted 3v brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Package Includes 1 Piece - Humidity sensor Module Features: 1, Using high-quality HR202 humidity sensor; 2, The comparator outputs directly drive relays, or other devices connected to 220V AC; 3, Adjust the temperature distribution position detection threshold 4, The sensor interface can be installed pin, plus humidity sensor with leads; 5, The circuit board dimensions as: 50x26mm, thickness 19mm, has four 3mm bolts holes Electrical parameters: Supply voltage: 12v Current: more than 150mA Maximum load: 250V 10A AC or 30V 10A DC, Module for use: 1, the humidity sensor most sensitive to environmental humidity, generally used to detect ambient humidity; 2, when the module is in the ambient humidity exceeds the set threshold, the relay, often beginning with a common terminal connected, when the ambient humidity is below the set threshold, the relay off, the common terminal and the normally closed terminal connected; 3, common, normally open, normally closed three ports is equivalent to a dual-control switch, relay coil power, often beginning with a common terminal conduction, when there is no electricity, common and normally closed terminal conduction;

## Images

![1 Pieces - Humidity Switch Relay Module Humidity Controller C9 - Image 1](https://m.media-amazon.com/images/I/A1ZhIIFe6YL.jpg)
![1 Pieces - Humidity Switch Relay Module Humidity Controller C9 - Image 2](https://m.media-amazon.com/images/I/A1LdHw-RI8L.jpg)

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---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-23*