TRADE LED Electronic Wall Clock, Digital 3D LED Table Alarm Clock 24/12 Hour Display Plastic Alarm Clock Snooze Clock Brightness Automatically Adjust (Black, Green) 3 Adjustable Brightness Levels - High brightness with 3 Steps Dimmer Control (High, Medium, Low). It can adjust automatically. Snooze Function - Snooze Alarm gives you few minutes wake up delay. Freely in 5-60 minutes settings. Simple and Concise Design - Easy to install and convenient to use, comes with wall mount holes and stand for you to use with ease. 12/24H Display Modes - You can switch from 12/24H by pressing and hold the "UP"button for 3 seconds. Time Memory Function - Use outlet for main power and battery for power outage backup.