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.