---
product_id: 633730820
title: "KT3100BL"
brand: "ketotek"
price: "₩68938"
currency: KRW
in_stock: true
reviews_count: 10
category: "Ketotek"
url: https://www.desertcart.kr/products/633730820-kt3100bl
store_origin: KR
region: South Korea
---

# 3m high-precision NTC sensor 15A/120V max output power Wide temp range -40℉ to 248℉ KT3100BL

**Brand:** ketotek
**Price:** ₩68938
**Availability:** ✅ In Stock

## Summary

> 🌟 Take control of your climate like a pro—precision meets convenience!

## Quick Answers

- **What is this?** KT3100BL by ketotek
- **How much does it cost?** ₩68938 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/633730820-kt3100bl)

## Best For

- ketotek enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Simplicity:** No wiring needed—just set your temps and let it auto-switch heating/cooling modes.
- • **Versatile 5-Mode Control:** From countdown timers to temperature cycling, tailor your environment with precision.
- • **Crystal-Clear LCD Backlight:** Wide-angle, customizable backlight for effortless monitoring anytime, anywhere.
- • **Universal Application Ready:** Perfect for greenhouses, incubators, homebrews, and more with dual °F/°C support.
- • **Rock-Solid Safety & Reliability:** Fire-resistant build with saved settings even after power outages—trustworthy 24/7.

## Overview

The KETOTEK Digital Temperature Controller is a robust 120V thermostat outlet featuring a wide temperature range (-40℉ to 248℉), a 3-meter high-precision NTC sensor, and a bright LCD backlight. Designed for easy plug-and-play use, it supports five versatile modes for heating and cooling control, making it ideal for applications from incubators to homebrewing. Its fire-resistant construction and power outage memory ensure safe, reliable operation, while dual Fahrenheit/Celsius display and temperature calibration guarantee accuracy.

## Description

Temperature Controller Humidity Controller & More

## Features

- User-Friendly LCD Display for Clear Visibility – Wide-viewing-angle LCD with backlight ensures easy reading in low light or from any angle. Press any key to activate the backlight; press DOWN to turn off the backlight. Customize backlight duration: 10 min, 1 hr, 4 hrs, 8 hrs, or always on.
- Easy Setup, No Wiring Needed – Just plug in your device, set your desired start/stop temperatures, and let the KT3100BL thermostat outlet plug take over! It automatically switches between heating and cooling modes based on your settings. Wide temperature range: -40℉~248℉ (-40℃~120℃) for versatile heating or cooling applications.
- 5 Modes for Versatile Use - Switch 5 modes instantly with the MODE button: Temperature Control mode, F01 cycler timer mode, F02 Countdown ON mode, F03 Countdown OFF mode, F04 Countdown ON and Countdown OFF mode. Set range: 0~99 hours 59 minutes. Please note: Temperature Control Mode cannot run simultaneously with other modes.
- Safe and reliable design - Made in fire-resistant and durable materials for long-term stable operation, this thermostat plug outlet uses a 3-meter high-precision NTC 10K temperature sensor to monitor temperature in real-time, ensuring accurate and precise temperature control. Your settings are safely saved even during a power outage, no need to set again after power restoration.
- Wide application. This thermostat plug outlet works in both Fahrenheit and Celsius. It supports a temperature calibration function to ensure that the displayed temperature matches the actual temperature. This temperature controller is suitable for greenhouse, reptile, incubator, terrarium, freezer, refrigerator, heater, fridge, homebrew, vivarium, fermentation, heat mat, and other temperature-controlled system. Output: Max 15A/120V.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D3X3JSKN |
| Best Sellers Rank | #32,154 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #29 in Temperature Controllers |
| Brand | KETOTEK |
| Brand Name | KETOTEK |
| Customer Reviews | 4.5 out of 5 stars 848 Reviews |
| Display Type | LCD |
| Included Components | 1*Thermostat Plug Outlet; 1*Manual |
| Manufacturer | KETOTEK |
| Material | Plastic |
| Material Type | Plastic |
| Model | KT3100BL |
| Operating Temperature | 248 Degrees Fahrenheit |
| Part Number | KT3100BL US |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** KETOTEK
- **Display Type:** LCD
- **Material:** Plastic
- **Operating Temperature:** 248 Degrees Fahrenheit
- **Unit Count:** 1.0 Count

## Images

![KT3100BL - Image 1](https://m.media-amazon.com/images/I/517Lt1GRJ5L.jpg)
![KT3100BL - Image 2](https://m.media-amazon.com/images/I/71ZuJEL-m1L.jpg)
![KT3100BL - Image 3](https://m.media-amazon.com/images/I/717Yk4dWWjL.jpg)
![KT3100BL - Image 4](https://m.media-amazon.com/images/I/71rcFeqEZmL.jpg)
![KT3100BL - Image 5](https://m.media-amazon.com/images/I/71BWuCW0XjL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by D***N on November 6, 2024*



### ⭐⭐⭐⭐⭐ Review
*by C***Y on December 17, 2024*



### ⭐⭐⭐⭐⭐ Review
*by P***L on February 7, 2026*



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**Shop now:** [https://www.desertcart.kr/products/633730820-kt3100bl](https://www.desertcart.kr/products/633730820-kt3100bl)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-05-10*