
SMARTRO
Once you have it, you'll love it!
Swipe right to learn more?

- This humidity gauge is built in with high precision sensor.
- Accurate in Humidity and temperature test.
- SC42 Humidity and temperature monitor is the perfect household device to keep you and your family's living conditions optimal. Reliable and highly accurate reading.



SMARTRO SC42 Indoor thermometer
Measureable Range:
- Temperature Range: -4~158°F ( -20~70°C)
- Humidity Range: 1~99%RH(relative humidity)
Accuracy:
- Temperature Tolerance: ±0.5°F
- Humidity Tolerance: ±2%RH
Power Supply:
2*1.5v batteries (not included)
Other Specifications:
- °C/°F is switchable.
- 10-second reading frequency.
- 24-hour or all-time high/low records.

Supports Health and Sleep
- Best temperature humidity for health: 64.4-77? (18-25?),40-70% RH (comfortable)
- Utilize this highly accurate humidity monitor to ensure the perfect night’s sleep, avoid headaches and improve general well being day in and day out.
- Instantly distinguish between humidity conditions by different color.
- High precision thermometer

Various Mounting Selections
- You have simple steps to get this indoor outdoor thermometer mounted.
- The digital hygrometer has a stand for table top use and strong magnets if you wish to have your device attached to a household appliance.
- Also can be inserted into a wall hanging hole.

Wide Applications
- 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. Great present for Christmas.
![]() SMARTRO SC92 Professional Indoor Outdoor Thermometer Wireless Digital Hygrome... | ![]() SMARTRO SC91 Projection Alarm Clock for Bedrooms with Weather Station, Wirele... | ![]() SMARTRO SC31B Digital Projection Alarm Clock with Weather Station, Indoor Out... | ![]() SMARTRO Weather Station Wireless Indoor Outdoor Thermometer for Home, Large C... | |
|---|---|---|---|---|
| Customer Reviews | — | — | — | — |
| Price | — | — | — | — |
| Offer | 26.99 | 37.99 | 34.99 | 49.99 |
| Temperature accuracy | ±0.5? | ±5? | ±5? | ±1.8? |
| Humidity accuracy | ±2%RH | ±5%RH | ±5%RH | ±5%RH |
| Remote sensor | ? | ? | ? | ? |

- This humidity gauge is built in with high precision sensor.
- Accurate in Humidity and temperature test.
- SC42 Humidity and temperature monitor is the perfect household device to keep you and your family's living conditions optimal. Reliable and highly accurate reading.



SMARTRO SC42 Indoor thermometer
Measureable Range:
- Temperature Range: -4~158°F ( -20~70°C)
- Humidity Range: 1~99%RH(relative humidity)
Accuracy:
- Temperature Tolerance: ±0.5°F
- Humidity Tolerance: ±2%RH
Power Supply:
2*1.5v batteries (not included)
Other Specifications:
- °C/°F is switchable.
- 10-second reading frequency.
- 24-hour or all-time high/low records.

Backlit LCD Display
- A simple touch on the top to turn on backlit for a few seconds.
- Maximum and Minimum records of humidity/temperature for last 24 hours or all-time and also indicates the current trends.

Supports Health and Sleep
- Best temperature humidity for health: 64.4-77? (18-25?),40-70% RH (comfortable)
- Utilize this highly accurate humidity monitor to ensure the perfect night’s sleep, avoid headaches and improve general well being day in and day out.
- Instantly distinguish between humidity conditions by different color.
- High precision thermometer

Various Mounting Selections
- You have simple steps to get this indoor outdoor thermometer mounted.
- The digital hygrometer has a stand for table top use and strong magnets if you wish to have your device attached to a household appliance.
- Also can be inserted into a wall hanging hole.

Wide Applications
- 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. Great present for Christmas.
![]() SMARTRO SC92 Professional Indoor Outdoor Thermometer Wireless Digital Hygrome... | ![]() SMARTRO SC91 Projection Alarm Clock for Bedrooms with Weather Station, Wirele... | ![]() SMARTRO SC31B Digital Projection Alarm Clock with Weather Station, Indoor Out... | ![]() SMARTRO Weather Station Wireless Indoor Outdoor Thermometer for Home, Large C... | |
|---|---|---|---|---|
| Customer Reviews | — | — | — | — |
| Price | — | — | — | — |
| Offer | 26.99 | 37.99 | 34.99 | 49.99 |
| Temperature accuracy | ±0.5? | ±5? | ±5? | ±1.8? |
| Humidity accuracy | ±2%RH | ±5%RH | ±5%RH | ±5%RH |
| Remote sensor | ? | ? | ? | ? |
SMARTRO
Once you have it, you'll love it!
Swipe right to learn more?



























