---
product_id: 250388891
title: "4 Pack Mini Digital Hygrometer Thermometer Gauge, Indoor Outdoor Temperature Humidity Meter for Greenhouse Humidors Incubators Reptile Terrarium Jars, Fahrenheit (℉) or Celsius(℃) (4)"
brand: "jedew"
price: "$39.77"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/250388891-4-pack-mini-digital-hygrometer-thermometer-gauge-indoor-outdoor-temperature
store_origin: US
region: United States of America
---

# ±5% RH humidity precision 9-month battery life ±1°F temp accuracy 4 Pack Mini Digital Hygrometer Thermometer Gauge, Indoor Outdoor Temperature Humidity Meter for Greenhouse Humidors Incubators Reptile Terrarium Jars, Fahrenheit (℉) or Celsius(℃) (4)

**Brand:** jedew
**Price:** $39.77
**Availability:** ✅ In Stock

## Summary

> 🌿 Stay ahead of your environment—because comfort is the new luxury!

## Quick Answers

- **What is this?** 4 Pack Mini Digital Hygrometer Thermometer Gauge, Indoor Outdoor Temperature Humidity Meter for Greenhouse Humidors Incubators Reptile Terrarium Jars, Fahrenheit (℉) or Celsius(℃) (4) by jedew
- **How much does it cost?** $39.77 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/250388891-4-pack-mini-digital-hygrometer-thermometer-gauge-indoor-outdoor-temperature)

## Best For

- jedew enthusiasts

## Why This Product

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

## Key Features

- • **Instant Updates:** Fast 10-second sensor refresh rate with 24 vents ensures you’re always in the know.
- • **Dual Unit Display:** Effortlessly switch between Fahrenheit and Celsius to suit your preference or locale.
- • **Long-Lasting Power:** Powered by LR44 button cells with up to 9 months of continuous use—no frequent battery swaps needed.
- • **Versatile Anywhere:** Compact and portable design fits seamlessly in homes, offices, greenhouses, and even reptile terrariums.
- • **Precision You Can Trust:** Accurate temperature and humidity readings within ±1°F and ±5% RH keep your environment perfectly balanced.

## Overview

This 4-pack mini digital thermo-hygrometer set delivers precise indoor and outdoor temperature and humidity monitoring with ±1°F and ±5% RH accuracy. Featuring a compact, portable design, fast 10-second sensor updates, and dual Fahrenheit/Celsius display, it’s perfect for diverse settings from greenhouses to offices. Powered by long-lasting LR44 batteries, each unit offers up to 9 months of reliable performance, helping you maintain optimal living and working conditions effortlessly.

## Description

4 Pack Mini Digital Hygrometer Thermometer Gauge, Indoor Outdoor Temperature Humidity Meter for Greenhouse Humidors Incubators Reptile Terrarium Jars, Fahrenheit (℉) or Celsius(℃) (4)

## Features

- 1-Widely Applicable for home, office, car, schools, hotels, laboratories, kindergartens, aquaculture, instrument workshop, libraries, factories, reptile terrarium and places equipped with air condition, etc.
- 2-【Fahrenheit/Celsius】The Thermo-hygrometer can achieve the mutual conversion between Fahrenheit (°F) and Celsius (°C). Temperature measurement accuracy: ±1°F, Humidity measurement accuracy: ±5%RH.
- 3-This portable hygrometer thermometer Measures Indoor humidity and temperature in time, help to adjust the humidifier, dehumidifier settings and humidistats, great for monitoring family's living conditions and health by preventing colds, dry skin, asthma, mold.
- 4-【Fast Response】Built in sensitive sensor that measures every 10 seconds with 24 sensitive VENTS to provide updated and accurate readings, wide measuring range: work temperature from 0℃ to 70℃(+32°F ~ +158°F), work humidity from 10% to 99% RH.
- 5-【Long Service Life】The Thermo-hygrometer Powered by one LR44 button cell and one backup button cell. Which working time up to 9 months. Each LR44 button cell working time up to 9 months. Provide a long power life.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | JEDEW |
| Part number | 8541848276 |
| Item Weight | 70 g |
| Product Dimensions | 4.5 x 4.5 x 1.5 cm; 70 g |
| Batteries | 4 LR44 batteries required. (included) |
| Item model number | ROUND |
| Colour | Black |
| Material | ABS |
| Shape | Round |
| Power source type | Battery Powered |
| Voltage | 1.5 Volts |
| Item Package Quantity | 1 |
| Light source | LED |
| Measurement Accuracy | +/- 1% |
| Plug profile | Freestanding |
| Specific uses | measures the environment temperature and humidity |
| Included components | thermo-hygrometer body, Spare LR44 button battery, Double-sided tape |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Ion |
| tech_spec_battery_description_toys | LR44 button cells |

## Product Details

- **Colour:** Black
- **Brand:** JEDEW
- **Product dimensions:** 44W x 15H millimetres
- **Item weight:** 0.07 Kilograms
- **Battery description:** LR44 button cells

## Images

![4 Pack Mini Digital Hygrometer Thermometer Gauge, Indoor Outdoor Temperature Humidity Meter for Greenhouse Humidors Incubators Reptile Terrarium Jars, Fahrenheit (℉) or Celsius(℃) (4) - Image 1](https://m.media-amazon.com/images/I/61s4O1Bu-LL.jpg)
![4 Pack Mini Digital Hygrometer Thermometer Gauge, Indoor Outdoor Temperature Humidity Meter for Greenhouse Humidors Incubators Reptile Terrarium Jars, Fahrenheit (℉) or Celsius(℃) (4) - Image 2](https://m.media-amazon.com/images/I/71XSCSsh3XL.jpg)
![4 Pack Mini Digital Hygrometer Thermometer Gauge, Indoor Outdoor Temperature Humidity Meter for Greenhouse Humidors Incubators Reptile Terrarium Jars, Fahrenheit (℉) or Celsius(℃) (4) - Image 3](https://m.media-amazon.com/images/I/612Hzcyx1WL.jpg)
![4 Pack Mini Digital Hygrometer Thermometer Gauge, Indoor Outdoor Temperature Humidity Meter for Greenhouse Humidors Incubators Reptile Terrarium Jars, Fahrenheit (℉) or Celsius(℃) (4) - Image 4](https://m.media-amazon.com/images/I/71I1pjE7IgL.jpg)
![4 Pack Mini Digital Hygrometer Thermometer Gauge, Indoor Outdoor Temperature Humidity Meter for Greenhouse Humidors Incubators Reptile Terrarium Jars, Fahrenheit (℉) or Celsius(℃) (4) - Image 5](https://m.media-amazon.com/images/I/61ou52NTOsL.jpg)

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- 4 Pack Mini Digital Hygrometer Thermometer Gauge, Indoor Outdoor Temperature Humidity Meter for Greenhouse Humidors Incubators Reptile Terrarium Jars, Fahrenheit (℉) or Celsius(℃) (4)
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-01-28*