Details: 1. Material: metal shell, PVC mirror, ABS back shell, aluminum pointer 2. Dimensions: 12 inches 30x30x4.1 cm, 14 inches 35x35x4.1 cm, 16 inches 40x40x4.5 cm 3. Weight: 12 inches 1300 grams, 14 inches 1600 grams, 16 inches 2200 grams 4. Power supply: 2 AA alkaline batteries (need to purchase by yourself) 5. Applicable scenarios: living room, bedroom, study room, office, etc. 6. Features: beautiful and practical, painted pointer, not easy to fade, uniform color, copper sleeve inlay, accurate and firm, strong and durable, metal shell, aluminum alloy wire drawing process, exquisite workmanship, strong metal texture, WIFI automatic time synchronization, 0 am- The 6 o'clock second hand stops automatically to save power Instructions: 1. When using for the first time, first turn on the mobile wifi and unplug the white positioning pin on the back of the clock 2. Click on the phone "Settings"-"Connections"-"WLAN" 3. Install the battery, after about 5 seconds, "wificlock" will appear in the "WLAN list" for 30 seconds 4. If "wifi-clock" fails to appear, you can press the "MSET" button on the back of the clock (press and hold for about 5 seconds, repeat it several times) 5. Click wifi-clock 6. Follow the prompts to set up wifi 7. If you cannot set wifi, you can click "wifi-clock", then click "manage router", or open "192.168.4.1" with your mobile browser, and then set wifi 8. After setting, the three pointers quickly return to zero, and then automatically go to the correct time 9. After the wifi is set, if you reinstall the battery without resetting the wifi, the pointer will automatically go to the correct time 10. If the time is not correct, you can press and hold REC to make the pointer return to zero quickly and then re-align the time, or reinstall the battery 11. Press and hold MSET, you can reset wifi, automatic time and time zone