BCA Tracker 4 Avalanche Rescue PackageBCA's high end rescue package for all backcountry riders. Includes Tracker 4 beacon with harness, Dozer 1T shovel, and Stealth 300 probe. The Tracker 4 avalanche rescue package is a smart purchase for those looking to gear up for their first backcountry experience, or experienced backcountry travelers wanting to replace their old outdated equipment. All of the products are key components to a safe excursion in avalanche terrain.