Fast, Reliable, All-Weather GPS Tracking
WorldTracker Enduro Pro is a compact, durable and highly sensitive GPS tracking system which provides fast and reliable GPS tracking in the most extreme weather conditions, and the longest battery life of a device it's size. http://www.trackingtheworld.com/products/enduropro/
Small, Powerful, Exceptional Battery Life
"Those looking for a professional grade real-time GPS tracking device with outstanding battery life will find the Enduro Pro one of the best, if not the best, option on the market today."