OleumTech WT-0900-DS1 Wireless Discrete Transmitter

OleumTech WT-DS1 Wireless Discrete Transmitter - 900 MHz ? 2 discrete inputs (dry contact / NPN) ? Up to a 10-year battery life1 ? Advanced local LCD display interface ? Supports Over-the-Air (OTA) functionality for updating the device conguration2 ? Self-contained, rugged design ? Installs in minutes ? IP66, -40 ?C to 70 ?C (-40 ?F to 158 ?F) ? Secure AES encryption ? Class I, Division 1 (Zone 0), Intrinsically Safe