---
product_id: 137341199
title: "Watermk Dual Display Digital Thermometer Red+Blue Temperature Sensor Tester NTC Waterproof Metal Probe"
brand: "watermk"
price: "S$16"
currency: SGD
in_stock: true
category: "Outdoors"
url: https://www.desertcart.sg/products/137341199-watermk-dual-display-digital-thermometer-red-blue-temperature-sensor-tester
store_origin: SG
region: Singapore
---

# Watermk Dual Display Digital Thermometer Red+Blue Temperature Sensor Tester NTC Waterproof Metal Probe

**Brand:** watermk
**Price:** S$16
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Watermk Dual Display Digital Thermometer Red+Blue Temperature Sensor Tester NTC Waterproof Metal Probe by watermk
- **How much does it cost?** S$16 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/137341199-watermk-dual-display-digital-thermometer-red-blue-temperature-sensor-tester)

## Best For

- watermk enthusiasts

## Why This Product

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

## Description

100% brand new and high quality  Using Introduction: 1.DC Power Supply: this product needs to connect with DC 4-28V power; red wire connects with power positive,black wire connects with power negative. 2.Display: when take off temperature sensor,digital tube will display &quot;- - -&quot;; when temperature is lower than -20 celsius or higher than 100 celsius, digital tube will also display &quot;- - -&quot;. 3.Normal Temperature Collection Range: -20~100 celsius. Specification: Power Supply Voltage: DC 4-28V Measurement Temperature: -20&#x2103;~100&#x2103; Display Color: red + blue Display Way: 0.28 LED Refresh Rate: 1s/one time Measurement Precision: 1&#x2103; Operating Temperature: -40&#x2103;~80&#x2103; Sensor Type: 1m NTC waterproof metal probe Minimum Resolution: 0.1&#x2103; Material: Plastic & metal Dimensions: 48x29mm/1.89x1.14inch Quantity: 1 Set Package includes: 1 x Digital Thermometer 2 x Waterproof Metal Probe 1 x Power Supply Cable

## Features

- ♥Measure car internal and external temeprature
- ♥Measure air conditioned room indoor and outdoor temperature
- ♥Measure refrigerator internal and external temeperature
- ♥Measure fish pond water temperature
- ♥Measure infant bath water temperature

## Images

![Watermk Dual Display Digital Thermometer Red+Blue Temperature Sensor Tester NTC Waterproof Metal Probe - Image 1](https://images-na.ssl-images-amazon.com/images/I/413YfM97EEL.jpg)
![Watermk Dual Display Digital Thermometer Red+Blue Temperature Sensor Tester NTC Waterproof Metal Probe - Image 2](https://images-na.ssl-images-amazon.com/images/I/41t6CqHsZVL.jpg)
![Watermk Dual Display Digital Thermometer Red+Blue Temperature Sensor Tester NTC Waterproof Metal Probe - Image 3](https://images-na.ssl-images-amazon.com/images/I/41sjvvpdywL.jpg)
![Watermk Dual Display Digital Thermometer Red+Blue Temperature Sensor Tester NTC Waterproof Metal Probe - Image 4](https://images-na.ssl-images-amazon.com/images/I/413YfM97EEL.jpg)
![Watermk Dual Display Digital Thermometer Red+Blue Temperature Sensor Tester NTC Waterproof Metal Probe - Image 5](https://images-na.ssl-images-amazon.com/images/I/41viasCIjUL.jpg)

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**Shop now:** [https://www.desertcart.sg/products/137341199-watermk-dual-display-digital-thermometer-red-blue-temperature-sensor-tester](https://www.desertcart.sg/products/137341199-watermk-dual-display-digital-thermometer-red-blue-temperature-sensor-tester)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-23*