Product # Mfr. Model # Type Recording Time (Day) Temp. Range PW470 Pressure 7 -22 to 122F (-30 to 50C) PW474 Pressure 7 -22 to 122F (-30 to 50C) PW476 Pressure 7 -22 to 122F (-30 to 50C) PW479 Pressure 7 -22 to 122F (-30 to 50C) KT663 Refrigerators And Freezers -- -50 to 250 Degrees F SC367 Super Compact Temperature 1 or 7 -14 Degrees to 32 Degrees F, -25 Degrees to 0 Degrees C SC386 Super Compact Temperature 1 or 7 22 Degrees to 68 Degrees F, -5 Degrees to 20 Degrees C SC377 Super Compact Temperature 1 or 7 4 Degrees to 50 Degrees F, -15 Degrees to 10 Degrees C SC387 Super Compact Temperature 1 or 7 50 Degrees to 96 Degrees F, 10 Degrees to 35 Degrees C SC397 Super Compact Temperature 1 or 7 76 Degrees to 122 Degrees F, 25 Degrees to 50 Degrees C