The Cat B26 is rugged, tough, and tested in extreme conditions. Waterproof to 1.2m for up to 35 minutes, drop tested up to 1.8m (6 foot) onto concrete, dust proof and resistant to extreme temperatures. Up to 13 hours talk-time and 18 days standby time from a single charge, the Cat B26 is built with a big battery to keep you working for longer.