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SMARTRO SC42 Professional Digital Hygrometer Indoor Room Thermometer
✅ In stock
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Grade
Analysis Confidence
13%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
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Price verified Sep 25, 2026 5:49 PM · Prices & availability subject to change
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📝 Product Overview
🏪 Sold by
TOPOD
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓The Best Industrial Grade Accuracy: Humidity gauge with built-in Swiss sensors, it detects subtle humidity and temperature changes and updates readings in each 10 seconds. Temperature tolerance is within 0.5℉(-4 to 158℉) and humidity is 2%RH (1 to 99% RH). The digital hygrometer is pre-calibrated for accurate temperature and humidity measurement.
✓Easy-to-Read Backlit Display: Temperature and humidity monitor with 3.5'' large HD LCD screen. A simple touch on the top will turn on backlit for 10 seconds. Clear and power-saving, reading more easily under weak backlit. Reliable operating buttons on the back for manual setting or °F/°C switching. Note: The backlit in the pictures is all in ON state. The backlit is not always on.
✓24 Hours All-time Max Min Records: The room thermometer displays high and low records for the past 24 hours and All-time; Indoor thermometer measure conditions and identify changes in temperature and humidity instantly. Comfort Indicator ensures proper humidity control, helping you to maintain a comfortable atmosphere in your home.
✓Wide Applications with More Mounting Options: With a retractable stand, two powerful magnets and a wall-mount hole, this digital thermometer indoor can be easily attached to your refrigerator, wall or placed on a table. Suitable for baby’s room, nursery, office, closet, incubator, greenhouse, garden, wine cellar, basement critter terrarium etc. Note: This thermometer cannot connect to phones.
✓Calibration Supported: The monitor can be manually calibrated to improve data readings when product placement or environmental factors impact your data accuracy. Powered by 2x1.5v AAA batteries (not included).
⚙️ Specifications
Color
black
Brand
SMARTRO
Product Dimensions
3.4"W x 3.4"H
Item Weight
0.13 kg
Battery Description
2x 1.5v AAA batteries
Mounting Type
Wall Mount
Operating Humidity
1-99% with a +/- 2%RH tolerance
Upper Temperature Range
158 °F
Voltage
3
Temperature Accuracy
+/-0.5 °F
Temperature Reading Accuracy
plus_minus_0_point_2_degrees_celsius
