LUMINOUS DIGITAL CAR CLOCK LED Functions: Made of good quality materials, sturdy, durable and abrasion resistant. The large LED screen can clearly display hours, minutes, seconds, date and timer function. Universal, suitable for most cars. Beautiful and stylish, instantly improving the appearance of your car. It is widely used in equipment and automobiles, boats, airplanes, etc. 4,5-30V input voltage, practical and easy to use. kaj button once za together to set the month. After setting the month, press the button for a long time until the “day” number flashing indicating the entrance to the day setting, and then press the button several times to set the day. Once the adjustment is complete, press and hold the button to exit the date setting mode and save it. During the date setting process, after 30 seconds without pressing the key, it will automatically turn off the setting mode. - Inner mesh panties Material: ABS Optional kolor: red, green, blue Input Voltage: 4,5-30 V (Wide Range) Backup battery: CR1220 (clock emergency power supply, can be maintained for more than 12 months without power supply) Operating current: 120 mm Min. Supply voltage: 4,5 V. Memory clock speed Supply voltage: 30 V. Operating temperature: -1065 Operating Humidity: 10-80% (non-condensing) Operating pressure: 80 - 106kPa Exposure to sunlight: without direct exposure Size: approx. 48x29x21 mm / 1,89x1,14x0,83 inch List of things to pack: 1 x Digital Car Clock User manual: Insert the CR1220 button battery into the battery holder according to the “positive up, negative down” direction. ) If equipped with batteries, the clock will work even without being connected to power. Connect it to the power supply according to the "red positive black negative" method, and it will be displayed 0:00. Key switch order: hour minute mode - second mode - date mode - timer mode Second mode: Press the key once in time mode and the second one will be displayed in XX format. It will automatically return to time and minute mode after 30 seconds without pressing the key. Date mode: Double-tap the key in time mode and the second one will be displayed in the format: Month: Date. After 30 seconds, it will automatically return to time and minutes mode. Timer mode: Press the key three times in time mode and the second will be displayed in the format: 00: .00. When the stopwatch is not started, it will automatically return to time and minute mode after 30 seconds without pressing the key. Long press the key to start the countdown in timer mode, and the dot under the colon will start flashing. Press the key again for a long time to pause the stopwatch. The dot under the colon is always on and does not flash. Hold it again to start collecting time again. Time reset method: external red and black lines turn off, press and hold the key for about 5 seconds. Press the button under timer mode to switch to hour, minute mode and display the date and seconds. Setting the time: In hour, minute or second mode, press the key for a long time until the number “hour” flashes, which means entering the time setting, and then press the key several times to set the time. After setting the time, hold the key for a long time until the number of “minutes” begins to flash, indicating the entry into the minutes setting. Press the button again and again to set the minute adjustment. After setting the minute, long press the key until the number of “seconds” starts flashing, which means that ona will enter the second setting. Press once to clean, long press will exit the time setting mode and save the set time. During the time setting process, it will automatically exit the setting mode after 30 seconds without pressing the key.