Tough survival expert
Built tough with and 4,000 mAh battery to survive itself and help its owner last through the harshest of conditions. It is water, snow, mud and drop resistant to 1.8m. CAT S31 has an extremely long lasting battery that enables up to 38 days of stand-by-time. CAT S31 4.7” touchscreen can be operated with your gloves on even in humid conditions. The automatic display adjustment allows to effortlessly use this phone even in direct sunlight.