Single Sided Red Color LED Race Timing Clock with Tripod 5" High Character for Semi-Outdoor / Outdoor Running Events IR Remote Control Red color LEDs, ultra brightness can be used directly under the sun and reach as long as 30 meters viewing distance Clock works under 12VDC power, low power consumption,so any battery that can give out 12VDC, 2A or more can power the clock up. The clock comes with a tripod, you can use it for a running events, students PE test, etc. Aluminum clock cabinet, portable and easy to carry around;Come with two 12V cables, easy to connect to your 12VDC output battery; IR remote control