Red Color Portable 5" 5 Digits LED Race Timing Clock For Running Events Countdown from 9 hours 59 minutes 59 seconds and can start a countdown below this time Count up from 0 hours 00 minutes 00 seconds and can start a count up above this time; IR Remote control, easy to operate; Come with two 12V calbles to connect to your outter 12VDC battery; Low power consumption and can be powered up by battery(battery is not included); Brightness adjustable, can be used indoors, semi-outdoors and outdoors