Cat S61 hands-on: See like the Predator - Android Authority
Cat Introduces S61 Smartphone to market | Equipment World
Cat Rugged Phones - The integrated thermal camera on the Cat S61 smartphone ensures thermal imaging technology is always on you, always charged and protected within a rugged device, pushing the boundaries
CAT S61 Screen Protector - Privacy Lite (Landscape)
OEM CATERPILLAR CAT S61 REPLACEMENT REAR FACING BACK FLIR THERMAL CAMERA | eBay
Three-proof mobile phone (night vision + thermal imaging 256×192)
Cat S61 review: Rugged but rough around the edges | Mashable