The Garmin GPSMAP 64 Handheld GPS Unit is a reliable and lightweight device designed for hiking enthusiasts. With a battery life of up to 35 hours in default mode and 200 hours in exped mode, this GPS unit ensures that you are always aware of your location during outdoor adventures. The unit features a variety of useful functions such as a stopwatch, compass, and clock, making it a versatile tool for any outdoor enthusiast. Its waterproof design also makes it ideal for use in various weather conditions, while the ability to recharge the battery via USB adds convenience for extended trips.