Features: *Multi-function display: This clock can display the day of the week, date, temperature, humidity, daylight saving time, so you can see it at a glance. *Adjustable Brightness - With 3 levels of brightness options, you can easily adjust the display to suit your preferences. It is Idealized for those who are sensitive to light while sleeping or prefer a darker room.And there is also an automatic sensitivity level for you to adjust *Multi-Function - This digital clock offers various functions, including displaying indoor temperature, 1 USB charging ports, 2 different alarms, and 3 adjustable dimming settings. It can switch between Celsius and Fahrenheit freely. *Convenient Alarm Options - With 2 optional alarms, you can set different wake-up times for yourself and your for partner. Adjust the volume level to your liking and for ensure a personalized wake-up experience. *Small and portable: The size of this alarm clock is only 3.54*0.98*4.72 inches, which is very convenient to carry. And it can be powered by 3 AAA batteries (Note: it cannot be output and charged when powered by batteries.And the product itself does not contain batteries when shipped.) Specifications: *Part Name:electronic clock *Material:Plastic *Size:9*2.5*12cm(3.54*0.98*4.72 inches) *Color:Black shell:Red/Green/Blue/Tricolor White shell:Red/Green/Blue/Tricolor Package Content: 1*electronic clock 1*data cable 1*manual Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 【Multi-function display】This clock features a multi-function display that shows the day of the week, date, temperature, humidity, and daylight saving time, allowing you to easily check the information at a glance. 【Adjustable Brightness】With 3 levels of brightness options, you can easily adjust the display to suit your preferences. It is for those who are sensitive to light while sleeping or prefer a darker room. It also has an automatic sensitivity level for convenient adjustment. 【Multi-Function】This digital clock offers various functions, including displaying the indoor temperature, 1 USB charging port, 2 different alarms, and 3 adjustable dimming settings. It also allows you to switch between Celsius and Fahrenheit freely. 【Convenient Alarm Options】With 2 optional alarms, you can set different wake-up times for yourself and your for partner. Adjust the volume level to your liking and for ensure a personalized wake-up experience. 【Small and portable】With dimensions of only 54 x 0.98 x 4.72 inches, this alarm clock is compact and lightweight, making it very convenient to carry. It can be powered by 3 AAA batteries (not included) or connected to a power source via USB.