Peace, mercy, and blessings of God be upon you. I have the durable handheld navigation device Garmin eTrex 10, designed for outdoor use. It features a 2.2-inch monochrome screen that is easy to read in any lighting conditions, and supports GPS and GLONASS satellites for fast and accurate positioning. The device is waterproof according to IPX7 standard and runs on two AA batteries, providing long battery life for adventures.