Perfect for nurseries and young children's bedrooms, this star-shaped night light has a built-in thermometer, enabling you to check that the temperature in your child's room is perfect. Product DetailsDimensions/Size:Overall size: 12.3cm (L) x 8.4cm (W) LCD screen size: 2.35cm (L) x 1.3cm (W) Material: Acrylonitrile-butadiene-styrene (ABS) and silicone Directions for use:Press the button on the top to turn the light on and off Charge the product when the light is dim as low battery can cause inaccurate temperature readings Battery light for the blue colour can last 33 hours when the battery is fully charged Battery light for the green colour can last 45 hours when the battery is fully charged Battery light for the orange colour can last 13 hours when the battery is fully charged Battery light for the red colour can last 20hours when the battery is fully charged FeaturesTemperature range: 0 - 50 deg. C Accuracy: +/-1-degree Celsius Colour will change according to room temperature: Blue when temperature is less than 14 deg. C Green when temperature is between 15-20 deg. C Orange when temperature is between 21-26 deg. C Red when temperature is over 27 deg. C LED backlight Rechargeable internal lithium battery Micro USB port for charging battery (cable included) Comes with a built-in thermometer