Material---ABS+PC Rated voltage---DC5V /0.5A lighting Mode---Direct glow Key Type---Touch key Luminous flux---250m Color rendering index--->80 Rated power---4W Battery Capacity---1200mAh Weight---346g Charging port---Micro SIZE---87*87*263mmCharging time---4-4:30hour Working time---3:30hour Function---Tauch the power key to turn on/ off the lamp. Tap the power key to adjust thebrightness of the lamp (brightest-normal-dimmest-off) four step easy to use. Whenfolding design lamp holder and arm can rotate the angle within a range of180degrees up-down adjustment. Press and hold "Mode"Set”"Up”"Downkey enter normal time mode, alarm clock and snooze mode, birthday remindermode, timer mode and temperature mode. Time changes 12Hours/24Hours modeand adjusting the hours, minute, year, month and day. Temperature can change toCelsius or Fahrenheit. The red light will be on when it starts charging, and the redlight will goes out when it is fully charged.