RGB LED Display: Built-in 115 kinds of RGB colors, large fonts and bright colors provide a clear and comfortable view. 3 sets of daily alarms: 3 sets of alarms for your setting. When the time is up, it will ring for 1 minute. 3 levels of luminance: 3 levels of brightness can be manually adjusted according to the environment. 2 lighting modes 'display: display time only or display time (12H/24H), date and temperature (°C/°F) in cycle. Power supply: powered by DC 5V, when this external power supply is cut off, the built-in button battery works automatically to keep the settings (LED does not display). Product Description 3 color display modes: single color / 7 color cycle / 115 color cycle. Weekend alarm function: the alarm function can be turned on / off on Saturday and Sunday. Remote control: with an infrared remote control to use the alarm clock more easily. 3~5m wireless distance. Sound Control: Under this mode, ambient sound over 60dB will activate the LED display and the display will automatically turn off after 16 seconds. Easy installation: the alarm clock has a stand and a hanging hole on the back, can be placed directly on the desk or hung on the wall. Features: Material: ABS Shell color: black/white (optional) Display color: 115 kinds of RGB colors Calendar: 2000~2049 Temperature range: -9°C~50°C / 15.8°F~122°F Alarm clock power supply: button battery CC2032 DC 5V 500mA and 1*3V 240mA (included) Battery for remote control: 1 x CR2025 150mAh 3V button battery (included) Remote control distance: 3~5m Size of alarm clock (with stand): 23.5 * 4 * 9.2cm / 9.3 * 1.6 * 3.6in (L * W * H) Alarm clock Weight: 226g / 8oz Package size: 34.7 * 10.5 * 5cm / 13.7 * 4.1 * 2in Package weight: 335g / 11.8oz Packing List: 1 * Alarm Clock 1 * Remote Control 1 * USB Cable 1 * Manual user (english)