---
product_id: 120963690
title: "Generic W1209 Digital LED DC 12V + NTC Sensor heat cool temp thermostat temperature switch Module On/Off Controller electronic Board DIY"
price: "$23628"
currency: COP
in_stock: true
reviews_count: 8
url: https://www.desertcart.co/products/120963690-generic-w1209-digital-led-dc-12v-ntc-sensor-heat-cool
store_origin: CO
region: Colombia
---

# 12V low voltage power 0.1°C precision accuracy NTC waterproof sensor Generic W1209 Digital LED DC 12V + NTC Sensor heat cool temp thermostat temperature switch Module On/Off Controller electronic Board DIY

**Price:** $23628
**Availability:** ✅ In Stock

## Summary

> 🌡️ Master your microclimate with precision and style!

## Quick Answers

- **What is this?** Generic W1209 Digital LED DC 12V + NTC Sensor heat cool temp thermostat temperature switch Module On/Off Controller electronic Board DIY
- **How much does it cost?** $23628 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/120963690-generic-w1209-digital-led-dc-12v-ntc-sensor-heat-cool)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Powerhouse:** Sleek 48x40x14mm design fits anywhere, powered by safe 12V DC for versatile DIY projects.
- • **Plug & Play Simplicity:** No programming needed—intuitive 3-button keypad lets you set and forget with ease.
- • **Built-In Relay Automation:** Seamlessly switch devices on/off based on temperature thresholds—smart control made simple.
- • **Real-Time Digital Display:** Instantly monitor your environment with a bright 3-digit 7-segment LED readout.
- • **Pinpoint Temperature Control:** Achieve ultra-precise climate management with 0.1°C accuracy—no guesswork, just perfect comfort.

## Overview

The W1209 Digital Temperature Controller is a compact, 12V-powered module featuring a high-accuracy (0.1°C) NTC waterproof sensor and a clear 3-digit LED display. Designed for easy DIY integration, it offers real-time temperature monitoring and automated on/off control via an onboard relay, making it ideal for HVAC, heating, and cooling applications without any programming hassle.

## Description

W1209 Mini thermostat Temperature controller is low-cost 12V Temperature controller with 7-segment display and 3 switch keypad for setting temperature and other parameters. The module features an NTC thermistor temperature sensing and has an accuracy of 0.1 C.

Review: Worth buying - Very useful and very good quality
Review: Still using this No changes - Value for money, good accuracy, good functions

## Features

- W1209 digital temperature controller module with display and NTC Waterproof Temperature Sensor is a 12V Temperature controller with 7-segment display. It has a 3 switch keypad for setting temperature and other parameters. The module features an NTC thermistor temperature sensing and has an accuracy of 0.1 C.
- LED display | Inbuilt embedded micro-controller | NTC temperature sensor | No programming knowledge required | Onboard relay | Display current temperature | 3 digit 7 segment display
- The W1209 digital temperature controller module can be used to measure and display temperature, turn any application On/Off based on temperature reading. It can be used in appliances such as fire alarm system or auto cut off electric water heater.
- Dimensions: W1209(LxWxH):48x40x14mm | Cable Length:0.5 Meter

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07CRYLTVM |
| Best Sellers Rank | #17,785 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #93 in Temperature Controllers |
| Brand | THEMISTO |
| Colour | Green |
| Connectivity Technology | Wi-Fi |
| Country of Origin | India |
| Customer Reviews | 3.9 3.9 out of 5 stars (1,374) |
| Date First Available | 1 May 2018 |
| Generic Name | ROBOTICS COMPONENT |
| Importer | Aptechdeals ; B-1/7 Nanhey Park Uttam Nagar New Delhi- 110059; support@aptechdeals.com ;88106-13060 |
| Included Components | 1pc |
| Item Dimensions LxWxH | 16 x 14 x 2 Centimeters |
| Item Height | 20 Millimeters |
| Item Weight | 20 g |
| Item Width | 14 Centimeters |
| Item model number | CTE052 |
| Manufacturer | Select brands international pvt ltd. 44 pologround industrial area,Indore 452001 (M.P.), Mo: 6260171052, SunRobotics |
| Model number | CTE052 |
| Net Quantity | 1 Count |
| Number of Memory Sticks | 1 |
| Packer | Bombay Electronics, 13B Shamrao Vithal Marg, Off Lamington Road. Mumbai - 400007 |
| Power Source | Battery Powered |
| Product Dimensions | 16 x 14 x 2 cm; 20 g |
| Special Feature | Equipment,Waterproof |
| Specific Product Use | Electric Baseboard Heater |
| Voltage | 12 Volts |

## Product Details

- **Brand:** THEMISTO
- **Product Dimensions:** 2D x 14W x 16H Centimeters
- **Controller Type:** program
- **Special Feature:** Equipment,Waterproof
- **Colour:** Green
- **Specific Uses For Product:** Electric Baseboard Heater
- **Temperature Control Type:** Digital
- **Connectivity Technology:** Wi-Fi
- **Included Components:** 1pc
- **Power Source:** Battery Powered

## Images

![Generic W1209 Digital LED DC 12V + NTC Sensor heat cool temp thermostat temperature switch Module On/Off Controller electronic Board DIY - Image 1](https://m.media-amazon.com/images/I/41DaMaVg3+L.jpg)

## Questions & Answers

**Q: is it work 24 hours**
A: Yes.. It works

**Q: can this be useful to maintain a stable constant temperature at 20 or 25 Degree of an object on cool side of peltier module. If yes then how**
A: Yes it can be used for cooling u just have to connect a pc fan with it and then long press set button then po will be displayed on te screen then click on set again and turn it to colling setting

**Q: resetting is neede after power fail??**
A: No need it

**Q: What is the relay rating? (Appliance watts)**
A: 12V DC coil,

14V DC 20A/125V AC 20A

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worth buying
*by A***R on 18 August 2025*

Very useful and very good quality

### ⭐⭐⭐⭐ Still using this No changes
*by A***R on 22 October 2024*

Value for money, good accuracy, good functions

### ⭐⭐⭐ Ok
*by N***H on 24 January 2026*

Ok

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-02-27*