Ganxin 5 Inch 6-Digit Led Race Timing Clock, Running Event Gym Timer Clock For Countdown/Count Up,12/24 Hour Real Time Clock, St

What'S The Specification Details? Clock Dimension: 27.1''L X 7.4''H X 1.6''W (69Cm L X 19Cm H X 4Cm W) Housing Material: Aluminum Alloy Digits Height & Color: 5-Inch (12.7 Cm), In Red Color Light Source:Led (High Brightness, Long Life-Span) Power Supply: 12V Dc (110-260Vac Power Supply)Approval:Ce & Rohs What'S The Main Functions? How To Make Setting & Use? (For Advanced Editable-Settings, Please Refer To The User Manual) 12/24H Real-Time Clock:Format [Hh:Mm:Ss], Press [7] For Clock Mode, Press[Edit] To Enter Current Time, Then Press[Enter] To Save And Start, Press Button [4] To Convert 12/24 Hour Formats. Countdown/Up:Format [Hh:Mm:Ss], Press [Timer 1] Down Arrow For Countdown Mode, Press [Edit] To Fill In With Wanted Time, Press [Enter] To Save, Press [Start] To Begin, Press [Setup] To Cease If Needed. Press [Reset] To Restart. For Count-Up, Press [Timer1] Up Arrow Firstly, And Then Follow The Same. Stopwatch: Format [Mm:Ss:Ms], Press [Timer 2] Down Arrow For Stopwatch Countdown Mode, Press [Edit] To Fill In With Wanted Time To Begin, Press [Enter] To Save, Press [Start] To Begin, Press [Setup] To Cease If Needed. It Can Be Stopped & Restart At Anytime. Press [Reset] To Restart. For Count-Up, Press [Timer 2] Up Arrow Firstly, And Then Follow The Same. What'S Included In The Package? Led Clock: 1 Pc Adapter: 1 Pc Ir Remote Controller: 1 Pc Instruction Manual: 1 Pc Wall Bracket:1 Set Important Cautions: The Controller Does Not Have Aaa Battery, Because Battery Is Not Accepted By Air Courier, Thanks For Your Kind Understanding.