Roof Rack Ranger bike alarm|運動線上App不用買-HotApp4Game

Prevent damage to the gear on your roof rack caused by low-clearance hazards and even your own garage!Compatible with Yakima, Thule and all roof racks and cargo boxes!==Ideal for use with Yakima or Thule bike racks!====Excellent for rooftop carriers and cargo boxes!====Most reliable, lowest battery use!====Best performing roof rack warning app on iTunes!==Are you cycling weekly with your mountain bike and Yakima rack?Are you tent camping with a cargo box?Why put it all at risk?The Roof Rack Ranger app is one of the most technologically advanced warning systems available. Use Roof Rack Ranger's easy one-time setup map to drop a pin onto your Home and Activity (trailhead) locations. Once this simple one-time setup is complete, Roof Rack Ranger will automatically run in the background.Put pins on Hazard locations such as the local ATM or the parking garage at work.ExacTrack technology will monitor when you when you approach a Hazard or return Home from one of the Activity locations that you setup, and alert you so that you don't pull into your garage with gear on your roof.In addition, ExacTrack will ensure that you never miss an alert. It will adjust accuracy as needed to have the least possible impact on your battery.Don't make this common and expensive mistake! Even members of the USA Cycling team have made the mistake of driving into their garage with expensive gear on their roof!Protect your investments with Roof Rack Ranger!Note: Continued use of GPS running in the background can dramatically decrease battery life.