This multifunction handheld altimeter puts a huge amount of information in the palm of your hand. Comes with an easy clip -- so you can clip it to your bag, your belt, or just slip it in your pocket. It also includes a barometer, thermometer, hygrometer, and timekeeping functions. Get your altitude up to 9000 m with a resolution of 1 meter, and recall the last 12 hours? worth of altitude data in an easy-to-read graphical format. Set an alarm when you reach a certain altitude. Keep track of time with the chronograph. Use the barometer to determine the current pressure at a resolution of 0.1 mBar, and check out previous minimum/maximum atmospheric pressure, along with pressure trend indicators. Thermometer and hygrometer store the minimum and maximum values. Pyle Sports: recreational gear for the great outdoors!