In addition they have given this radio superior water-tight protection. With an IP rating of IP67 this radio can withstand 1m depth of water for 30 minutes. It’s dust-tight construction prevents the intrusion of powder dust, sand, mud and anything else you can throw at it! The supplied waterproof Li-Ion battery pack, BP-232WP provides approximately 17.5 hours of operating time under normal usage. The battery has been designed for reliability in extremely cold environments.