The Suunto Vector HR is your tool for peak performance, whether you're already on the mountain or training to get there. It's not just the external conditions that matter when you are pushing your limits it's what's going on inside your body that can make the diffirence between a great adventure & a miserable ordeal. Set HR zone alarms to let you know when your heart rate is climbing faster than you are, or when your training regime is too easy. Training towards an adventure with the HR monitor gives you an objective measure of exertion, whether you're doing a long, steady hike or short intervals of exersion in the gym. This is the perfect companion for those wanting to Hike, Bike, Climb & Ski at weekends whilst maintaining their core fitness level in the gym during the week!