Wireless communication up to 56km allows you to stay in touch with your group, whether trekking on a back country trail or camping in familiar surroundings IP67 waterproof rating means it's fully waterproof, and can easily stand up to the elements Radio is designed to float and has a water-activated flashlight, making it easy to find if the radio ends up in the water when it's dark Handset features 22 channels each with 121 privacy codes, NOAA weather channels and alerts, and low-battery alert Flashlight also features a red LED to help preserve your night vision