Long-Lasting - Energy-Saving, with temperature monitor display. It contains 1200mAh lithium battery, which can be used continuously for one month under normal conditions. Smart Light Sensor - The contains a sensitive light sensor. The background light can be controlled according to the light intensity of the external environment. During the day, the screen brightness will return to normal. Display - Digital screen display, setting is very simple. Date, Hours 12/24h and Temperature °F/°C unit on screen are switchable. Easy to carry for portable, just and press to set up. Gradual Ringtone - The emits a dichroic sound, the sound and frequency gradually increase over time. Snooze Function can make the alarm sound again after it has been paused, just touch the button on the top, you can asleep at ease. Widely - This digital with time, date and temperature,a great decoration for your desk, bedside, bedroom, home and office etc. Colour: White Material: ABS Size: 13.6 x 7.8 x 4.6cm Package Contents: 1 x digital 1 x usb cable Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.