Brightness adjustment by touching: * Press first time, turn on the lamp,the light is brightest * Press second time, 50% light output * Press third time turn off. Product specification: Material: ABS LED: 18 pieces Rated power consumption: 1.8 W Power supply: USB power supply Built-in battery: lithium ion battery 1000 mAh Color temperature: 5500 K Weight: 246 g Size: 7.2 x 1.8 x 1.1inch Warranty period: 24 months Package includes: 1X Multifunction LED Desk Lamp 1X USB cable 1X Adhesive wall-mount bracket 1X Instruction Manual Installation method: Clock: "AL" was pressed once, and "ALARM" on the LCD screen was displayed. Then you can set the time by pressing "SET" and the other is a bell. Free selection from 1 to 9, "SET" pressed again once it was completed. The bell keeps ringing in 1 minute. If you press the "SET" key, delete the alarm clock. Year, Month,Date and Time: Press "MODE" on the back of the LCD screen once, then press "SET". Then, after adjusting the time with "▲" "▼", you can confirm with "SET". Temperature: During normal operation, "SET" is pressed once to realize the conversion between the furlen height (symbol ° F) and Celsius (symbol ° C). The day of the week and the temperature are free variations. There is a temperature difference of 1 ~ 2 ℃. Please note: If it can not be turned on for the first time, it took a long time to deliver the product, so it may have been a shortage of electricity. First of all, please charge the product with the attached USB cable for 6~8hours.
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