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Digital 2-in-1 Mini Temperature and Humidity Meter - White

$9.99 NZD

This little chap is a super affordable way to keep an eye on your jungle's health and happiness. This digital 2 in 1 mini thermometer and hygrometer, monitors both temperature and humidity to help you keep an eye on, and create your plant's happy place. This is for the whiteAlso available separately in black. There's also the Analog 2 in 1 Meter if you're after one without batteries.

Many of our indoor plants prefer things warm and humid, with humidity on the higher side, such as Philodendron (70%+), Monstera (60%+), Calathea and Pothos (50%+). This little digital meter makes it easy to know when your plants need a humidity boost when humidity levels drop (check out the H2O cordless humidifiers if you don't have a humidifier yet, my plants love theirs).

Especially worth keeping a close eye on over winter when cold temperatures combined with indoor heating zaps precious moisture from the air, leaving our plants with dry, crispy tips and edges, even when soil moisture is fine. Also when temperatures soar and plants need more humidity to help cope with the heat. 

Is that price right?

Yep, sure is. Super budget friendly right? Save your pennies for your plants! But at this price, don't go expecting rocket scientist level accuracy. Thermometers and hygrometers can get into the hundreds. However I have been pleasantly surprised that something this cheap actually works really well. 

Portable mini size - just 4.5cm 

They may be mini, but I find the numbers big enough to read easily, even without my glasses on. Plus at 4.5cms tall & wide x 1.5cms deep, the size is great to pop them anywhere and everywhere your plants are.

They are fully portable (no cord), and the battery's included (fits one LR44 battery, supplied). The battery is the same type used in watches and calculators. The photos show you the back with the battery cover removed, showing where the battery goes. The housing is plastic and the display is an LCD screen.

How accurate is it?

I wouldn't make life or death decisions by them, not at this price compared to some of the fancy digital thermometers and hygrometers out there, but they are perfect to keep an eye on general conditions and surprisingly accurate for the price. 

They respond within about 10 seconds to changes in temperature and humidity. In my tests at home I found them accurate to about one degree in temperature, and to about 5% in humidity. 

Temperature is displayed in celsius to one decimal (eg: 20.5 degrees), and the range goes from negative 10 degrees to + 50 degrees. Humidity is displayed in round numbers (eg: 51%), and the range goes from 10% to 99% humidity.

Where can I put it? 

Pretty much anywhere! It's small (measurements above) and fully portable. I have one in each room that I have plants in (I just put them on my plant shelves). They handle high humidity fine based on my own use. Although I have mine inside my prop tank all the time and haven't had any issues myself, the manufacturer does not recommend leaving them inside a grow house or grow tank long-term. Just pop them in to check conditions, then remove. Leaving them in could cause excess moisture to work its way in to the electronics or rust the battery. Once that happens the display might act up or it may stop working altogether. If you go against the recommended use (like I have), just check the unit and battery regularly, discard and do not use if you notice moisture inside the display or rust around the battery, and expect a shorter life.

Important - Safety first

This product uses a button battery so should be kept out of reach of children and pets. Small batteries are a choking hazard. If ingested, there is also the risk batteries may cause burns or tissue damage. If you suspect your child or pet has swallowed a button battery, always treat it as an emergency. 


Customer Reviews

Based on 5 reviews
Bruce Murray

Works great and very accurate

Jess Francis
Great addition

Bought this with the humidifier. Easy to use and good indication on what level of humidity my plants like.

MissN de Raad
Mini Temperature and Humidity Meter - Digital

These are fantastic in Black or White WITH a round battery.
The instructions for this cool little gadget can be found in Love That Leaf, but it's all digital.

Melissa W
Does the job for an affordable price!

Smaller than I thought but that makes it blend in more with the background which is good.

Eve Piansathaphorn
It is working very well

It is small that make it easy to fit in my pot plant. Recommend!

Shipping and Delivery FAQ's


 is FREE for all orders over $80. Orders under $80: Auckland Standard $5, signature required $7, or rural $9. Rest of the North Island and the South Island: Standard $7, signature required $9, or rural $11. Plants, fragile and overweight/oversize parcels have separate rates. 


Stock levels are live. Everything showing in stock online, is in stock right here, right now, in Auckland New Zealand, ready to ship. No drop shipping from other countries. No delays.



Orders ship every week-day, Monday to Friday. Orders placed before 7pm Monday to Thursday leave the next morning. Zoom zoom! Fri, Sat & Sun orders leave Monday (or the next working day).



Normal delivery is 1 to 3 working days. Rural and some regions can take a day or 2 longer, depending on where you're based (orders ship from Auckland). 

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"I can’t recommend love that leaf highly enough. I’ve bought a couple of times so far and on both occasions Anna has been more helpful than I could possibly wish for. 5 stars! Don’t hesitate to order from Love That Leaf. Excellent service and super fast delivery." Rob Gordon

Why choose to buy from Love That Leaf?


When you buy from me you're supporting a small, local, family business. Love That Leaf is a registered NZ business, based in Auckland. 


You'll get your planty goodies super fast. Everything showing in stock on the website is right here in NZ, in stock, ready to ship. I ship daily, Monday to Friday. Orders normally leave the courier the same or next working day. Zoom zoom!


I stand by everything I sell and will always help put right anything that goes wrong. When you choose to buy from a registered NZ business (like me), you're also covered by the Consumer Guarantees Act, unlike overseas purchases or private sales, where you can end up stuck with no rights if anything arrives damaged or stops working.


I won't go AWOL on you. I'm here for support and advice anytime, even if you haven't bought from me yet. A lot of lovely people helped me along my plant journey, and I want to pay it forward. Please don't hesitate to ask for help. No obligation at all to purchase. 


"Super impressed with this business. Something that is lost nowadays, is customer service. This however is not the case with Anna from Love that Leaf. Very happy with my purchase, very happy with the product information provided and very happy with the quick shipping and great packaging. Thanks!" Melayna Anderson

FREE shipping for orders $80+
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