When weather data matters most, the Brunton ADC Pro Altimeter gathers and records all the key conditions. From the kayak to the racetrack, the ADC series is showing up everywhere. Whether you're honing your shooting accuracy in Athens, Greece, or reading the barometric pressure trends when the fish are rising, the ADC lends necessary insight to your outdoor activity. Let your partners believe you're predicting the rain with some sort of mind-bending, supernatural powers and leave the science to us. ADC technology is the perfect example of our commitment to changing the way we live in the outdoors.