Product weight: about 170g.Product size: about 9590111mm.Product accessories: manual + charging cable + 6 types of transparencies + base.Lamp light source: LED.Rated voltage: DC5V/1A, rated power: 3W, LED power: 1W (11W/LED module), charging time: 3-4H, battery capacity: 1200mAh.switch: 1. Switch to "ON" to turn on the power. 2. Switch to "0FF" to turn off the power, and the clock is kept at low power consumption. When the power is turned on by switching to "0N" next time, the clock will recover the time, and there is no need to reset the time (off-time off for a long time, there will be a time-minute error, is normal). 3. After the switch is turned to the "ON" position, the vibration wakes up time; after 30 seconds of no operation, the time display turns off. 4. The red light is on when charging, and the light is off when fully charged.time setting: 1. Double-click the (H) key to open the clock setting. At this time, the clock is displayed on the left, the minute is displayed on the right, and the clock and the minute are flashing at the same time. 2. Long press the (H) key to quickly increase the number of clock hours (the number will automatically jump between 0 and 24), release it to locate the current number; short press for a single jump. 3. Long press the (M) key to quickly increase the number of minutes (the number jumps automatically between 0 and 60), release to locate the current number; short press for a single jump. 4. Double-click the (H) key or do no operation for 10 seconds to exit the clock adjustment, and then start to display the current time.Countdown settings: 1. Double-click the (M) key to start the countdown adjustment. At this time, the left side displays the minute, the right side displays the second, the minute flashes and 00:00 is displayed. 2. Long press the (H) key to quickly increase the number of minutes (the number jumps automatically between 0 and 99), release to locate the current number; short press is a single jump. 3. Press the (M) button to start the countdown; when the countdown state is 00:00, the clock will make a 10-second beep, beep, beep sound; at the same time, the light will flash, and then the light will return to the previous state (if the countdown time is too long ( If it exceeds 2 minutes), it will enter the power saving mode after 30 seconds, the screen will not display the countdown, and the screen will not light up until 1 minute before the countdown ends). 4. Double-click the M key or the countdown ends, it will exit the countdown state, and then display the current time.Lighting settings: 1. Single press the (light) button to switch the light mode, the sequence is always on breathing light off; long press when the light is always on to perform stepless dimming. 2. This product has a light memory function. After turning off the light and turning it on again, the brightness of the light is the same as before the light is turned off.