Exclusive to Verizon, Convoy 4 by Samsung is a ruggedized flip phone specially made for harsh conditions. Great for field workers, outdoor enthusiasts and those on challenging job sites, Convoy 4 features Push-to-Talk technology for instant, radio-style communication, stands up to dust, water, shock, altitude, solar radiation and more.

https://www.amazon.com/Samsung-B690-convoy-4-verizon-wireless/dp/B01L9D7J00