Alarm, Audio/Freezer/Refrigerator, -58°F to +158°F (-50°C to +70°C), signal sounds at 15° or 45°F/-9.4° or 7.2°C, 39" (1 m) sensor cable, shatterproof, dual progress display, alarm, audio/visual, sliding mode switch, temperature guide on thermometer, Velcro ® suction, ABS plastic