LittleHippo Kelvin Night Light, Room Thermometer & Hygrometer
A plug-in night light that changes color with room temperature and also reads humidity. The comfort range can be adjusted.
- $34.99List price
- plug-inPower
How the Kelvin Night Light, Room Thermometer & Hygrometer stacks up
Against the 20 night lights we track. The shaded band is where the middle half of them fall; the dot is this one.
Within the typical range for night lights ($24.99 to $44.99).
What sets the Kelvin Night Light, Room Thermometer & Hygrometer apart
Measured against the 20 night lights we compare, from each maker's published specs.
- Lowest weightof the 7 night lights that list it: 0.1 lb
Next to its closest matches
- VAVA Silicone Baby Night LightNext to it, the Kelvin Night Light, Room Thermometer & Hygrometer is $5 less; no portable (the Silicone Baby Night Light has it).
Light and power
| Light colors | blue under 68F, amber 68-72F, red above 72F |
|---|---|
| Power | plug-in |
| Portable | No |
| Shows room temperature | Yes |
Listed features
- Color shows room temperature at a glance
- Also reads humidity
- Adjustable range, F or C
Worth checking
- Needs a wall outlet and USB cable
- Reviews mixed on accuracy and brightness
Where to buy the Kelvin Night Light, Room Thermometer & Hygrometer
Prices and availability change. We may earn a commission from some links.
- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Nursery setup: see CPSC's Safe Nursery guide and the AAP's guide to safe sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| LittleHippo Kelvin Night Light, Room Thermometer & Hygrometer | |
|---|---|
| Type | Night light |
| List price | $34.99 |
| Power | plug-in |
| Night light | Yes, blue under 68F, amber 68-72F, red above 72F |
| Projector | No |
| Thermometer | Yes |
| Portable | No |
| Size | 3.3 × 3.3 × 1.3 in |
| Weight | 0.1 lb |
Compare the Kelvin Night Light, Room Thermometer & Hygrometer with
How each closest rival differs from the Kelvin Night Light, Room Thermometer & Hygrometer, from the makers' specs.
- CasperGlow Night Light$35$35
- $0 more
- VAVABaby Night Light$36$36.99
- $2 more
- VAVASilicone Baby Night Light$39$39.99
- $5 more
- MunchkinLight My Way Owl NightlightCompare side by side
Kelvin Night Light, Room Thermometer & Hygrometer: questions answered
From LittleHippo's published specs, last checked 2026-11-02.
What's the difference between the LittleHippo Kelvin Night Light, Room Thermometer & Hygrometer and the Casper Glow Night Light?
By the maker specs, the Kelvin Night Light, Room Thermometer & Hygrometer lists for $0.01 less. See them side by side.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
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Where these specs come from
Last checked 2026-11-02. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.