Features: After the induction switch is turned on, the clock will automatically light up, which is equivalent to a small night light; with no noise, ensuring good sleep and a working environment. The size of the alarm clock is about 135x75x45mm Small and light and requires 3 AAA 1.5V batteries (battery not included) Backlight alarm clock is energy-saving and user-friendly; the built-in clock sensor can automatically turn on/off the backlight when the sensing function is on. If you feel that the sensor light is too bright after turning it on at night, you can turn off the sensor function on the back of the alarm clock to control the brightness of the clock. After the sensor light is turned off, the clock automatically emits a soft light that is not dazzling, and you can still see the time clearly This light up alarm clocks bedside is a single-sided large LCD display, which is easy to read and energy-saving. The screen information includes month, date, alarm settings, and room temperature. The time display can be set to 12 hours or 24 hours, and the snooze button is very convenient The backlit alarm clock case is made of plastic, with a stylish and elegant appearance. This is not only a clock, but also a great decoration. It is very suitable for placing on desks, bedsides, bedrooms, bookcases, TV tables, desks, mantels, study rooms, and offices. Suitable for all elderly, children, and adults. Can be used as birthday, Christmas, or holiday gifts Specifications: Feature: Calendars, LUMINOVA Display Type: Digital Type of Kinetic Energy: Digital Style: Modern Screen Type: LED Model Number: none Weight: 183 g Size: Approx. 130 x 72 x 44mm Shape: Square Function: With backlight Form: Single Face Type: Alarm Clocks Shell Material: Plastic Power : 3 x AAA batteries (not included) Color: White, Green, Blue, Black, Pink Package Included: 1 x Electronic Alarm Clock Notes: 1It is recommended to use a carbon battery, because the higher internal resistance of the battery will cause the quartz movement to be abnormally blocked, and the current flowing through the driving coil is small, so that the coil is not burned. The alkaline battery has low internal resistance and a large current flowing through it, which is prone to short-circuit burning of the coil. 2Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings.