Product descriptionMaterial: ABSShell Color: Black WhiteDisplay color: 115 kinds of RGB colorsCalendar: 2000 ~ 2049Temperature range: -9 C ~ 50 C / 15.8 F ~ 122 FPower supply for alarm clock: DC 5V 500mA 1 * 3V 240mAh CR2032 button battery (included)Remote control distance: 3 ~ 5mPackage list:1 * alarm clock1 * remote control1 * USB cable1. RGB LED Display: Built-in 115 kinds of RGB colors, large font and light color provide clear and comfortable viewing. 3 color display modes: monochrome / 7-color cycle / 115-color cycle.2. 2 display modes: Only display time or display time (12H / 24H), date and temperature ( C / F) in the cycle. 3 brightness levels can be adjusted manually to the ambient conditions.3. 3 sets of daily alarms: 3 sets of alarms for your setting. When the time has expired, an alarm is triggered for 1 minute. Weekend alarm function: The alarm function can be switched on and off on Saturday and Sunday.4. Remote control: With an infrared remote control to operate the alarm clock more conveniently. 3 ~ 5m wireless distance. Sound Control: In this mode, the ambient noise above 60db activates the LED display and the display is automatically switched off after 16 seconds.5. Power Supply: When this external power supply is turned off, the built-in button battery will be automatically supplied with power to keep the settings (LED will not be displayed). Easy installation: the alarm clock is equipped with a stand and has a hanging hole on the back, can be placed directly on the desk or hung on the wall.