LUMINOUS DIGITAL CAR CLOCK LED Perfect gift for newborn parents, newborn mother, newborn father, baby shower, birthday, Christmas, festival and so on. 1. The electronic clock is waterproof and dustproof, very durable to use. 2. It adopts one-button operation, which is practical and easy to use. 3. By default, you can view the time, minutes, seconds, date and timer, or timer function can be turned off as needed. 4. It adopts 24-hour display mode and has memory shutdown function. 5. It adopts DC4.5-30V supply voltage with reverse connection protection. - Inner mesh panties Material: ABS Optional Color: Red Supply voltage: 4,5-30 V (wide range) Backup battery: CR1220 (clock emergency power supply, time can be maintained for more than 12 months without power supply) Operating Current: < 20mA Power adapter, button cable length: >120mm Size: approx. 54 x 30 x 27mm / 2.13 x 1.18 x 1.06 in Mounting hole: approx. 47.2 x 27.3mm / 1.86 x 1.07 inches Minimum supply voltage: +4,5 V Maximum supply voltage: +30V Operating temperature: -10 - +65 Operating Humidity: 10-80% (non-condensing) Operating pressure: 80 - 106 kPa Sunlight: No direct sunlight List of packages: 1 x electronic clock Instructions: 1. Turn on: When connected to the power supply of the red positive and black negative connector, the time will be displayed. Built-in CR1220-3V backup battery, when the external power supply is not connected to the power supply, the clock will go all the way and will not stop. 2. Key switching sequence: time division mode - second mode - date mode - timer mode 3. Second mode: In time mode, press the button to display the second, format display: XX When no button is pressed for about 30 seconds, it will automatically jump back to hours and minutes mode. 4. Date mode: In time mode, double-tap the button to display the date, display the format date: month. After about 30 seconds, it will automatically jump back to hours and minutes mode. 5. Timer mode: In time mode, press the button three times to display the timing mode, format display: 00:00 If there is no start time set, no pressing the button within 30 seconds will automatically return to hours and minutes mode. In timing mode, press and hold the button to start timing. The point below the colon will flash; then press and hold the button to stop the time. The point below the colon is always on and does not flash; Timing cleaning method: external red, black shutdown line, long button press for about 5 seconds In timing mode, press the button to go to hours and minutes mode, as well as display the date and seconds. 6. Setting the time: In hour, minute, or second mode, press and hold the button until the number of hours flashes, indicating that the time is set, and then press the button again to set the time. After setting the time, press and hold the button until the number of minutes starts flashing, indicating that the minute setting has been entered. Press the button again to set the minutes. After setting the minutes, press and hold the button until the second number starts flashing, indicating that the second setting has been entered, press the second one to clear, press long to exit the time setting mode and save the set time. If no button is pressed during the time setting process for about 30 seconds, there will be an automatic exit from the setting mode. 7. Setting the date: In date mode, press and hold the button until the roku number flashes, the watch enters settings mode, and press the button once to set the year. Press and hold the button until the month number flashes, indicating that the month setting has been entered. Press the button again to set the month. After setting the month, press and hold the button until the day number flashes, indicating that the day setting has been entered. Press the button again to set the day. After setting OK, press and hold the button to exit the date setting mode and save. If no button is pressed for about 30 seconds during the date setting, there will be an automatic exit from the date setting mode. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.