4 models · 10 options
SECRUI Thermometers & Cabinet Lights
Small battery things for the house: three ways to read temperature and humidity, and a light for the cupboard with no socket.
- ±1°FKR-TH1 accuracy
- 400 ftwireless sensor range, open air
- 48 LEDsin the cabinet light
- Monitor
- Light
Thermometers and hygrometers
MonitorKR-TH1
SECRUI KR-TH1 Room Thermometer and Hygrometer
3 packs · white or black
- ±1°F
4.5 out of 5 (4,149 ratings)
from $8.99
MonitorTH6
SECRUI Wireless Indoor Outdoor Thermometer
2 packs · white
- 400 ft open air
- ±0.54°F
4.4 out of 5 (30 ratings)
from $19.99
Lights
Light8.5 in, 48 LED
SECRUI 8.5 Inch Motion Sensor Cabinet Light
4 packs · white
- Sees 15 ft
- 48 LEDs
4.8 out of 5 (14 ratings)
from $19.99
Quick answer
The right SECRUI monitor for the room
Which hygrometer is best for a single room?
The KR-TH1 Room Thermometer and Hygrometer. It reads within ±1°F and refreshes every 10 seconds.
Which thermometer is best for watching a porch or a garage from indoors?
The Wireless Indoor Outdoor Thermometer. Its sensors report from up to 400 feet away in open air.
Which hygrometer is best when you need a record?
The Bluetooth Hygrometer, 3-Pack. The HumiTemp app charts each of the 3 units by hour, day or month.
Which light is best for a closet with no outlet?
The 8.5 Inch Motion Sensor Cabinet Light. It charges by USB-C and holds on with a magnetic strip.
Alternatives
A digital hygrometer against an analog dial or a Wi-Fi sensor
| SECRUI KR-TH1 | Analog dial hygrometer | Wi-Fi sensor | |
|---|---|---|---|
| How you read it | Digits, refreshed every 10 seconds | A needle on a dial | In an app |
| Power | Battery | No power needed | Battery or USB, plus Wi-Fi |
| Keeps highs and lows | Yes | No | Yes, as history |
| Alerts you away from home | No | No | Yes |
| When it is the better choice | Not applicable | You never want to change a battery | You need to know while you are out |
The EPA advises keeping indoor humidity below 60 percent, and between 30 and 50 percent if possible. Any of the three will show you where a room stands.
Source: U.S. Environmental Protection Agency, A Brief Guide to Mold, Moisture and Your Home, read 2 October 2026.
Buying guide
How to choose a room monitor
1. Count the rooms
One dial per room, or a base station with remote sensors.
2. Decide between a glance and a record
A dial for a glance, the Bluetooth pack for charts.
3. Mind the weather
Keep remote sensors out of rain and direct sun.
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