Temperature Data Logger, with dual K type thermocouple probes, -454°F to 2372°F (-270°C to 1300°C) operating range, with built-in WiFi capability and integrated display, wireless connectivity to PC, LCD display, min/max readings, low battery & WiFi connection indicator, 1 million data entries capacity, delayed alarm capability, audit function, supports J, K, N, T type probes, battery powered (rechargeable internal lithium polymer battery), USB port, 802.11b/g/n compliant, IP55 protection rating for main unit and IP67 for probe