I didn't see calibration mentioned in the instructions and there's no calibrate button, is the humidity sensor fairly accurate?

Cannot be calibrated. I bought this and 2 cheaper adjustable AcuRite units. In addition, I have an older ThermoPro indoor/outdoor and two Honeywell smart thermostats that are supposed to be able to control a Honeywell dehumidifier. Six readings ranging from 38% on the indoor/outdoor for it's indoor reading; THIS ThermoPro and one of the AcuRites at 43%, the other AcuRite at 42%, and the Honeywell thermostats at 44% and 45% (although they're on different floors--the 44% was nearer my three new units). So, six opinions from 38% to 44% (ignoring the Honeywell on the other floor), with two at 43%.

Does the backlight stay on constantly or does it shut off and u can turn it on if you need?

When you press the lightbulb icon it activates the backlight and will automatically shut off in around 15 seconds giving a time to view the display, or if you press the lightbulb icon again before the 15 seconds it will shut off when you press it. There is no way to keep the backlight on or extend it beyond 15 seconds except to press the backlight icon after it shuts off, and cannot press it again to extend time before that or it will turn off.

How long do the batteries last under normal usage?

I purchased this on January 26th, 2019 so Ive had it a year and 2 months and the battery gauge reads on the lower end but it still works!

Will sitting this on a window ledge above the kitchen sink result in inaccurate readings?

Sitting on a window ledge above the kitchen sink will not give you accurate readings for the ROOM. The window will affect temperature readings and if you are running hot water in the sink, the humidity readings will probably go up.

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TempPro TempAir Digital Indoor Hygrometer Thermometer with Touchscreen

Product ID: 42087570

Details

Age Range (Description)
Adult
Brand
TempPro
Color
White & Grey
Display Type
LCD
Included Components
Temperature
Outer Material
Plastic

📏±1°F & ±2% RH accuracy

🔋Batteries included, ready out-of-box

⏱️10s real-time refresh rate

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Description

🌡️ Touch, See, Control: Hygro-Perfection at Your Fingertips!

SMART MAX MIN TRACKING - Monitor 24-hour and all-time highs/lows with intuitive comfort icons—never miss a critical environmental shift again.
PRECISION YOU CAN TRUST - Advanced sensors deliver ultra-accurate temperature and humidity data to optimize your home or workspace environment.
CRYSTAL CLEAR 4 INCH DISPLAY - Bold digits & backlit touchscreen for effortless readings—even from across the room or in the dark.
INSTANT ENVIRONMENTAL INSIGHTS - 10-second refresh rate keeps you updated in real-time, empowering proactive comfort and health management.
FLEXIBLE PLACEMENT EASY SETUP - Tabletop, wall mount, or magnetic attachment with included batteries—designed for seamless integration into your lifestyle.

The TempPro TempAir Digital Indoor Hygrometer Thermometer combines a large, easy-to-read 4-inch touchscreen display with industry-leading ±1°F and ±2% RH accuracy. Its rapid 10-second refresh rate ensures you stay ahead of environmental changes, while max/min records and comfort indicators provide actionable insights. Designed for versatile placement and immediate use with included batteries, this sleek device is the ultimate tool for millennial professionals seeking precise, stylish climate control in their homes or greenhouses.

Specifications

ASIN	B06XTPTG1J
Additional Features	AAA battery Included, Large LCD Display with Touchscreen and Backlight, Temperature and Humidity Monitor
Age Range Description	Adult
Best Sellers Rank	#1,600 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #22 in Indoor Thermometers
Brand Name	TempPro
Color	White & Grey
Customer Reviews	4.6 4.6 out of 5 stars (27,630)
Display Type	LCD
Global Trade Identification Number	06927082802183, 08904296700557
Included Components	Temperature and Humidity Monitor, AAA battery Included
Indoor Outdoor Usage	Indoor
Item Length	4.3 inches
Item Type Name	Digital Hygrometer Indoor Thermometer Humidity Gauge with Jumbo Touchscreen and Backlight Temperature Humidity Monitor
Item Weight	2.7 ounces
Manufacturer	TempPro
Model	TempAir CORE TP-55
Model Name	FBA_TP-55
Number of Batteries	2 AA batteries required. (included)
Outer Material	Plastic
Part Number	TP-55
Power Source	Aaa Battery (Included)
Response Time	10 seconds
Reusability	Reusable
Specification Met	CE, FCC
Unit Count	1 Count
Upper Temperature Range	158 °F

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₱2456

Duties & taxes included

In stock

Sold byAmazon PhilippinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Philippines.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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