The basic package comes with a main unit (the temperature station) and a remote unit (the thermo sensor). The main unit can support up to three remote units. The JTR-168LR is easy to use. The main unit has a large display for the outdoor temperatures, temperature variance for the last 12 hours and the indoor temperatures. Additional features include ice warning and maximum/ minimum temperatures for indoors and outdoors. No wire installation is required between the main unit and the remote units. As the JTR-168LR operates at 433MHz, it can be used in the U. and most places in Continental Europe. 1 GB GB MAIN FEATURES A. OUTDOOR TEMPERATURE Displays current temperature of remote sensor unit. TEMPERATURE TREND CHART Outdoor CHANNEL 1 temperature variance display, last 12 hours. A D O B C O E F G C. INDOOR TEMPERATURE Shows the collected indoors temperature D. ICE WARNING ICON Lights up when the ice warning function is active E. CHANNEL BUTTON Sets the remote sensor channel. MEMORY BUTTON Toggles between current, maximum and minimum temperatures G. CLEAR BUTTON Erases memory data H. RESET BUTTON Returns all settings to default values N L K I. ICE WARNING SLIDE SWITCH [AL ON/OFF] Turns on or off the ice warning function J. °C/°F SLIDE SWITCH Selects between degrees Centigrade (°C) and Fahrenheit (°F) K. BATTERY COMPARTMENT Accommodates two UM-3 or AA-size batteries J M H I 2 L. ANTENNA Receives radio signal from remote unit M. TABLE STAND For standing the main unit on a flat surface N. WALL-MOUNT RECESSED HOLE For mounting the main unit on a wall O...