Back at IFA 2017 last week, Cat has announced two new smartphones and a tablet for those that need durable devices. The new smartphones are successors to the 2015’s S30 and S40, and bring important performance upgrades to the table.

The devices reportedly offer beyond IP68 certification water resistance rating and MIL-STD 810G military standard certification. The Cat S31 features a 4.7-inch 720p display with Corning Gorilla Glass 5, Snapdragon 210 SoC, 2 GB of RAM, 16 GB of expandable storage, an 8 MP rear-facing camera and a 2 MP front-facing camera, and is powered by a 4,000 mAh battery.

The larger S41 packs a 5-inch 1080p display and is powered by Helio P20 SoC, paired with 3 GB of RAM and 32 GB of expandable storage. It has a 13 MP main camera, an 8 MP front unit and a 5,000 mAh battery that lasts for two complete days on a single charge.

Last, but not least is the Cat T20 rugged tablet that has IP67 certification, and is resistant to falls from up to 1.8m. It has a 1,280 x 800 IPS display, Intel Atom Z8350 chipset, 2 GB of RAM and 64 GB of storage.

Cat S31 will go on sale priced at €330/£300, Cat S41 will cost €450/£400, while the tablet is priced at €650/£600.