MadgeTech TCTemp2000 Thermocouple Temperature Data Logger with LCD Large, backlit LCD, front keypad with lock feature Internal temperature sensor and one external input which accepts thermocouple types J, K, T, E, R, S, B, N Minimum/maximum and average statistics, programmable start/stop time, user replaceable battery and external power, wall mountable Benefits: simple setup and installation, minimal long-term maintenance, long-term field deployment Not Included Required Accessory: IFC200 (includes software)