Huge Clear Numbers - Super easy-to-read digital wall clock from anywhere in the room with huge clear 4-inch numbers and is senior-friendly too. Ideal for use in the living room, bedroom, warehouse, garage, store, farmhouse, office, etc.Bright and Dimmable Numbers - The bright numbers are more friendly for people who are not used to wearing glasses at home and the elderly, helping them to read the time more easily. The brightness of the clock can be manually set to 3 brightness levels,and you can also set the auto-dimming mode, which will automatically dim the clock at night without disturbing your rest.Now You Need A Clock with Daylight Saving Time More Than Ever - The Zgrmbo F500 digital clock not only has daylight saving time, but we are proud that you can also stop the dot in the middle of the clock from blinking by pressing and holding the "+" buttonfor 6 seconds. Tens of thousands of Zgrmbo customers love this little feature.More Custom Options LED Digital Clock- One click easy switching between 12/24 hour time formats. Zgrmbo digital clock not only displays the time but also the week. If you also want to display the date, simply press and hold the "-" button for 6 secondsto switch the time and date are played in turn or not.Convenient Battery Backup Function. Help to preserve time in case of power outage. Note: Due to the high power consumption of LEDs, backup batteries can only be used to save time and do not support clock operation. It is a plug-in digital clock.(BackupBattery: 1 x CR2032, included)WALL CLOCK OR DESK CLOCK - You can hang this digital clock as a wall clock in your living room, warehouse, etc., or open the clock's hidden feet to place it as a desk clock on your bedside table or desk.Also Available as A Digital Alarm Clock for Bedside Table - Zgrmbo F500 digital clock can set an alarm clock and can be set to run from Monday to Friday, or from Monday to Saturday, or from Monday to Sunday for better time management.