Introduction
This manual provides detailed instructions for the iTOMA Model 915 Children's Room Thermometer and Hygrometer. This device is designed to monitor indoor temperature and humidity, featuring a color-changing display, expressive facial icons, and multiple LED light modes to create a comfortable environment. Please read this manual thoroughly before use to ensure proper operation and to maximize the product's benefits.

Image: The iTOMA Model 915 device, a spherical white and yellow unit with a digital display showing time and a smiling face.
Setup
1. Powering On/Off
- Locate the ON/OFF switch on the back of the device.
- Slide the switch to the "ON" position to power on the device. The display will illuminate.
- To power off, slide the switch to the "OFF" position.
2. Setting the Time
- Press the SET button briefly. The hour display will begin to flash.
- Use the + or - buttons to adjust the hour.
- Press SET again briefly. The minute display will begin to flash.
- Use the + or - buttons to adjust the minutes.
- Press SET again briefly. The 12/24-hour format will flash.
- Use the + or - buttons to select either 12H or 24H format.
- Press SET one more time to confirm the settings and return to the normal time display.
3. Adjusting Display Brightness
- The device features a 4-level dimmer for the display and 3 levels for the backlight.
- Lightly tap the touch-sensitive area on the top of the device to cycle through the brightness levels for the display and backlight.

Image: The iTOMA Model 915 device on a rug in a child's room, highlighting its user-friendly design.
Operating Instructions
1. Temperature and Humidity Monitoring
- Color-Changing Display: The device's backlight color changes dynamically to indicate ambient temperature:
- Red: > 24 °C (Too Hot)
- Orange: 20 - 24 °C (Warm)
- Yellow: 16 - 20 °C (Just Right/Comfortable)
- Blue: < 16 °C (Too Cold)
- Facial Expressions: Four distinct facial expressions are displayed to visually communicate the room's temperature status, complementing the color changes.
- Display Modes: Briefly press the MODE button to cycle through the display modes: Time, Temperature in Celsius, Temperature in Fahrenheit, and Humidity.
- Temperature Unit Switch: When the temperature is displayed, press and hold the MODE button to switch between Celsius (°C) and Fahrenheit (°F).

Image: A visual representation of the iTOMA Model 915 displaying different colors (blue, yellow, orange, red) and corresponding facial expressions to indicate various temperature ranges, from cold to hot.

Image: The iTOMA Model 915 device with graphical icons representing its functions: Time, Hygrometer (humidity), Temperature, and LED light.
2. LED Light Modes
The device offers three distinct LED light modes to suit different preferences and create a soothing atmosphere:
- Breathing Mode: Provides a gentle, smooth gradient of 7 colors, simulating a soft breathing effect for a comfortable night light.
- Monochrome Mode: Allows selection from seven different fixed color options to match your preference.
- Temperature Mode: The backlight color changes synchronously with the ambient temperature, providing a visual cue for the room's climate.
To change the LED light mode, briefly press the Light button (sun icon) on the back of the device.

Image: The iTOMA Model 915 illustrating its three light modes: Chromatic (color cycling), Breathing (gentle fade), and Temperature (color changes with temperature).

Image: The iTOMA Model 915 glowing with a soft yellow light on a bedside table, providing ambient illumination in a dimly lit room.
Product Features
- Dynamic Ambient Temperature Monitoring: Visual guide with intuitive color changes (Red, Orange, Yellow, Blue) for immediate temperature understanding.
- Engaging Facial Expressions: Four distinct facial expressions indicate room temperature, aiding in adjusting a child's clothing or room environment.
- Versatile LED Light Modes: Includes Breathing Mode (7-color gradient), Monochrome Mode (7 fixed colors), and Temperature Mode (color synchronized with temperature).
- Comprehensive Temperature and Humidity Control: Continuously monitors room temperature and humidity, helping maintain an ideal indoor climate. Easily switches between Fahrenheit and Celsius.
- User-Friendly Design: Portable, easy-to-read LCD screen, and 4-level touch-sensitive dimming control. Can also function as a timer.
Specifications
| Feature | Detail |
|---|---|
| Brand | iTOMA |
| Model Number | 915 |
| Color | Yellow |
| Product Dimensions (L x W x H) | 10 x 9.9 x 8.8 cm |
| Item Weight | 380 g |
| Display Type | Digital |
| Special Features | Color-changing screen, facial expressions, multiple LED modes, temperature and humidity control, multifunctional |
| Power Source | Battery Powered |
| Room Type | Children's Room |
| Indoor/Outdoor Use | Indoor |
| Frame Material | Plastic |

Image: A diagram illustrating the dimensions of the iTOMA Model 915 device, showing its height, width, and depth.
Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or solvents, as they may damage the surface.
- Storage: When not in use for extended periods, store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: Ensure the device is charged regularly if it is battery-powered. Avoid fully depleting the battery frequently to prolong its lifespan.
Troubleshooting
- Device Not Turning On:
- Check if the ON/OFF switch is in the "ON" position.
- Ensure the device is properly charged or connected to a power source.
- Incorrect Temperature/Humidity Readings:
- Ensure the device is placed in an area with good air circulation, away from direct heat sources, vents, or windows that could affect readings.
- Allow the device some time (e.g., 15-30 minutes) to stabilize after moving it to a new environment.
- Display Not Responding to Touch:
- Ensure your fingers are clean and dry when interacting with the touch-sensitive areas.
- Restart the device by turning it off and then on again.
Warranty & Support
For warranty information, technical support, or further inquiries, please refer to the official iTOMA website or contact their customer service directly. You can also visit the iTOMA Brand Store for more product details and assistance.





