Digital Clock Electronic Clock Power-Off Memory Function Electronic Clock Digital Dc4.5-30V Car Auto Electronic Clock Red

["LED DIY Vehicle Electronic Clock KIT Car Motorcycle Timer LED Digital Display Power-off Memory DC4.5-30V Red Green Blue\n\nProduct Introduction:\n1.Power Supply Voltage:DC 4.5-30V\n2.Operating Current:<20mA\n3.Power Supply Lead Wire Length:>120mm\n4.for Time Precision:<=2s/day\n5.Dsiplay Type:0.4\" LED;blue\n6.Appearance Size:48*29*21mm\n7.Installation Tapping:45.5*26.5mm\n8.Operating Temperature:-10℃~65℃\n9.Operating Humidity:10-80%\n10.Operating Air Pressure:80-106kPa\n11.Sunlight Illumination:no direct exposure\n\nFeatures:\n1.Adopt One for Key Operation\n2.Default Display:hour,minute,second,date,timer for time\n3.Display 24 Hour for Time System\n4.Power Off Memory Function\n5.Wide Voltage Power Supply Voltage:DC 4.5-30V;with anti-transposition for protection function;not advise use 24V battery for power supply\n6.Battery on the clock is for power off memory;after installation,clock will not display;please connect with power,then it will be on\n\nPackage included:\n1 * Vehicle Electronic Clock\n\nUsing Method:\n1.Power On:according to \"up positive\" \"down negative\" direction to put CR1220 button battery in battery socket (note:battery is not included in the package)\n2.If there is standby battery and no connection with power,clock will keep moving (connect red positive black negative with power,then it will display 0:00)\n3.for Key Shift Sequence:hour minute mode-second mode-date mode-timer mode\n4.Second Mode:\n 1)In for time mode,press the for key,it will display second,display format:XX\n 2)No for key and press for 30s,it will automatically return to hour minute mode\n 3)press again move into next mode\n5.Date Mode:\n 1)In for time mode,press the for key for twice it will display date;display format:X month X day\n 2)After 30s,it will automatically return to hour minute mode\n 3)Press again,it will move into next mode\n6.Timer Mode:\n 1)In for time mode,press the for key for three times,it will display timing mode;display format:00: .00\n 2)If it doesn'for t start to timing and no for key within 30s,press it will return to hour minute mode\n 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 always on,not flash;long press again,it will accumulate starting\n 4)Timing Clear Way:external connect with red black wire power off,long press the for key for 5s\n 5)In for time mode,press the for key can switch to hour minute mode,and can also check date,second\n7.for Time Setting:\n 1)In hour minute 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\n 2)After finishing hour adjustment,long press the for key until \"minute\" digit flash,and it represents coming into minute setting;press the for key again to adjust minute for time\n 3)After finishing minute 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\n 4)During the process of for time setting,if there is no for key operation for 30s,it will quit setting mode automatically\n8.Date Setting:\n 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\n 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\n 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\n 4)During the process of date setting,if there is no for key operation within 30s,it will automatically quit setting mode."]