---
product_id: 61490410
title: "HALJIA W1209 DC 12V -50 to +110'C Temperature Controller Control Switch Thermostat Thermometer Sensor Module"
brand: "haljia"
price: "₨113"
currency: SCR
in_stock: false
reviews_count: 4
url: https://www.desertcart.sc/products/61490410-haljia-w1209-dc-12v-50-to-110c-temperature-controller-control
store_origin: SC
region: Seychelles
---

# DC 12V Power 0.5S Refresh Rate Temp Range -50 to +110°C HALJIA W1209 DC 12V -50 to +110'C Temperature Controller Control Switch Thermostat Thermometer Sensor Module

**Brand:** haljia
**Price:** ₨113
**Availability:** ❌ Out of Stock

## Summary

> 🌟 Control Your Climate, Conquer Your Space!

## Quick Answers

- **What is this?** HALJIA W1209 DC 12V -50 to +110'C Temperature Controller Control Switch Thermostat Thermometer Sensor Module by haljia
- **How much does it cost?** ₨113 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/61490410-haljia-w1209-dc-12v-50-to-110c-temperature-controller-control)

## Best For

- haljia enthusiasts

## Why This Product

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

## Key Features

- • **Precision Control:** Achieve pinpoint accuracy with 0.1°C control and hysteresis.
- • **Waterproof Sensor:** Durable NTC sensor ensures accurate readings in any environment.
- • **Robust Output Power:** Handle up to 10A relay output for reliable performance.
- • **User-Friendly Display:** Easily monitor conditions with a clear 0.28-inch digital tube.
- • **Versatile Temperature Range:** Perfect for diverse applications with a range from -50°C to +110°C.

## Overview

The HALJIAW1209 is a high-performance temperature controller designed for precision and versatility. Operating on a DC 12V supply, it features a waterproof NTC sensor with a wide temperature range of -50°C to +110°C, ensuring accurate monitoring and control. With a refresh rate of 0.5 seconds and a user-friendly 0.28-inch digital display, this thermostat is perfect for both professional and personal applications.

## Description

Specification: Supply voltage: DC 12V Static current: less than 5MA, attract current: less than 65MA Output voltage: DC 12V Output power: 10A relay Measurement input: NTC (10K 0.5%) Waterproof Sensor Environmental requirements: -10~60'C, Humidity 20%~85% Dimensions: 48 * 40mm Cable length: About 30 cm Temperature control mode: ON / OFF Temperature range: -50~+110'C Control accuracy: 0.1'C Hysteresis accuracy: 0.1'C Refresh rate: 0.5S High temperature protection: 0~110'C Resolution: When temperature is 0.1'C, the resolution is -9.9~99.9, other temperature segment is 1'C Display Type: 0.28-inch digital tube  How to use: Connect the power supply and the load, you can supply to the controller, Is displayed as a measured temperature, Press the SET button, the display flashes the temperature, Press - to set the desired temperature, After setting press SET to confirm return, The controller automatically performs the relay by setting off! Lights, LED status descriptions: Indicator: Off The relay is switched off, Always indicate the relay is closed. LED: Shows LL is the sensor open, showing ?HH is out of range, the thermostat will be forced to close the relay, the display --- as high temperature protection.  Package Included: 1 x -50-110'C W1209 Digital thermostat Temperature Control Switch 12V + sensor.

## Features

- Supply voltage: DC 12V, Output voltage: DC 12V, Output power: 10A relay
- Measurement input: NTC (10K 0.5%) Waterproof Sensor, Temperature control mode: ON / OFF, Temperature range: -50~+110'C
- Control accuracy: 0.1'C, Hysteresis accuracy: 0.1'C, Refresh rate: 0.5S, High temperature protection: 0~110'C
- Resolution: When temperature is 0.1'C, the resolution is -9.9~99.9, other temperature segment is 1'C
- Display Type: 0.28-inch digital tube

## Product Details

- **Colour:** green
- **Brand:** HALJIA
- **Voltage:** 12 Volts
- **Item weight:** 0.03 Kilograms
- **Display type:** 0.28-inch digital tube

## Images

![HALJIA W1209 DC 12V -50 to +110'C Temperature Controller Control Switch Thermostat Thermometer Sensor Module - Image 1](https://m.media-amazon.com/images/I/71KY+qoLdeL.jpg)
![HALJIA W1209 DC 12V -50 to +110'C Temperature Controller Control Switch Thermostat Thermometer Sensor Module - Image 2](https://m.media-amazon.com/images/I/71V4+Ok8HGL.jpg)
![HALJIA W1209 DC 12V -50 to +110'C Temperature Controller Control Switch Thermostat Thermometer Sensor Module - Image 3](https://m.media-amazon.com/images/I/51letHHODaL.jpg)
![HALJIA W1209 DC 12V -50 to +110'C Temperature Controller Control Switch Thermostat Thermometer Sensor Module - Image 4](https://m.media-amazon.com/images/I/61NqFQVnl0L.jpg)
![HALJIA W1209 DC 12V -50 to +110'C Temperature Controller Control Switch Thermostat Thermometer Sensor Module - Image 5](https://m.media-amazon.com/images/I/51YApftb4dL.jpg)

## Questions & Answers

**Q: Will 5V work?**
A: I would not think so. It's designed as a 12vdc module so the led display, relay among other components would not operate.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Did the job
*by A***R on 4 March 2021*

Used as a control for incubator, did the job.

### ⭐⭐⭐⭐⭐ perfect
*by S***M on 20 September 2020*

great

### ⭐ over complicated and does not work
*by W***1 on 23 August 2019*

followed all instructions i can't even set the temperature to begin with so this unit is total rubbish, i then got the next model up with the twin display works an absolute dream if this unit worked it would be good value. Chucked straight in the bin

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**Shop now:** [https://www.desertcart.sc/products/61490410-haljia-w1209-dc-12v-50-to-110c-temperature-controller-control](https://www.desertcart.sc/products/61490410-haljia-w1209-dc-12v-50-to-110c-temperature-controller-control)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-24*