where is this item made

Designed in California, made in China

Has anyone used it for a while? good quality? And I want to use it to test the data of my new dehumidifier, thank you.

I have used this hygrometer for 1 year and it works great. living the south, I aslo have a dehumidifier. I need it indicate whether I should turn on dehumidifier. It works great with the dehumidifier. Also, if you also need a dehumidifier, I will recommend this mylinskin brand, search for 'Mylinskin dehumidifier'.

Does this have a way to hang it on the wall?

Not really. It has magnets on the back so you could try hanging it using that. It also had a stand attached that can be pulled out, so maybe you could find a way to hang it using that? But no there isn't an actual place designated for hanging on a wall.

how long will the batteries last on continuous run?

I've had mines over 2 months and they're still running. The ones I have do not have back lighting which could be the reasons they are running still. I've never turned them off or removed batteries for conservation of the batteries.

Manufacturer	Antonki USA Co.,Ltd
Part number	#1 Choice Temp & Humidity Gauge - 2 Pack
Item Weight	42.4 g
Product Dimensions	7.4 x 6.8 x 1.7 cm; 42.52 g
Batteries	1 CR2 batteries required. (included)
Size	2 Count (Pack of 1)
Color	2 Pack Thermometer/Hygrometer - White
Style	Classic
Power source type	Battery Powered
Measurement Accuracy	±2℉ & ±5%RH
Display Style	Digital
Mounting Type	Tabletop Stand/Magnetic Back/Hanging Hole
Special Features	Dual Probe, Fast read system, High precision, Large display, Ultra Clear Screen
Included Components	Dual Probe Sensor
Batteries Included	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
Review待ち	CR2032 button battery
Battery life	1 years
Item Dimensions LxWxH	7.4 x 6.8 x 1.7 cm

Antonki Indoor Thermometer 2 Pack Home Indoor Hygrometer Hygrometer Gauge Digital Temperature Humidity Sensor Monitor for Home Terrarium Incubator Greenhouse - Battery Included

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