High Accuracy Clock Module Power-Off Memory Function 24h LED Digital Display
LED DIY Vehicle Electronic Clock KIT Car Motorcycle Timer LED Digital Display Power-off Memory DC4.5-30V Green Blue

Product Introduction:
1.Power Supply
2.Operating Current:<20mA
3.Power Supply Lead Wire Length:>120mm
4.for Time Precision:<=2s/day
5.Dsiplay Type:0.4" LED;blue
6.Appearance Size:48*29*21mm
7.Installation Tapping:45.5*26.5mm
8.Operating Temperature:-10℃~65℃
9.Operating Humidity:10-80%
10.Operating Air Pressure:80-106kPa
11.Sunlight Illumination:no direct exposure

Features:
1.Adopt One for Key Operation
2.Default Display:hour second date timer for time
3.Display 24 Hour for Time System
4.Power Memory Function
5.Wide Voltage Power Supply
6.Battery on the clock is for power off memory;after installation,clock will not display;please connect with power,then it will be on

Package included:
1 * Vehicle Electronic Clock

Using
1.Power On:according to "up positive" "down negative" direction to put CR1220 button in socket
2.If there is standby and no connection with power,clock will keep moving (connect red positive black negative with power,then it will display 0:00)
3.for Key
4.Second Mode:
1)In for time mode,press the for key,it will display second,display format:XX
2)No for key and press for 30s,it will automatically return to hour mode
3)press again move into next mode
5.Date Mode:
1)In for time mode,press the for key for twice it will display date;display format:X month X day
2)After 30s,it will automatically return to hour mode
3)Press again,it will move into next mode
6.Timer Mode:
1)In for time mode,press the for key for three times,it will display timing mode;display format:00: .00
2)If it doesn'for t start to timing and no for key within 30s,press it will return to hour mode
3)In for time mode,long press the for key it will start to timing,the point symbol under colon start to flash;if long press the for key again it will stop timing,the point symbol under colon will for on,not flash;long press again,it will accumulate starting
4)Timing Clear Way:external connect with wire power off,long press the for key for 5s
5)In for time mode,press the for key can switch to hour mode,and can also check date,second
7.for Time Setting:
1)In hour mode or second mode,long press the for key until "hour" digit flash,and it represents coming into for time hour setting,press the for key again to adjust hour for time
2)After finishing hour adjustment,long press the for key until digit flash,and it represents coming into setting;press the for key again to adjust for time
3)After finishing adustment,long press the for key until "second" digit flash,and it represents coming into second setting;press once to clear,long press quit for time setting mode and save for time which has been set
4)During the process of for time setting,if there is no for key operation for 30s,it will quit setting mode automatically
8.Date Setting:
1)In date mode.long press the for key until "year" digit flash,and it represents coming into setting mode;press the for key again to adjust year adjustment
2)Long press the for key until "month" digit flash,and it represents coming into montht setting;press the for key again to month adjustment
3)After finishing month adjustment,long press the for key until "day" digit flash,and it represents coming into day setting;press the for key again to day adjustment;after adjustment,long press the for key it will quit setting mode and save
4)During the process of date setting,if there is no for key operation within 30s,it will automatically quit setting mode.