"This dual range digital thermometer measures temperature from -40° to 300°F or -40° to 150°C. The TM100 is ideal for penetrating samples in bins, trucks or any receiving vessel. Unit features semiconductor technology housed in a sturdy ABS plastic case, 3½\" LED readout, low battery indicator and membrane switches with positive tactile feel. Actual dims (meter) 2¾\" L x 1¾\" W x 4¾\" H. Ship wt 6 lbs. Ship dims 45\" L x 7\" W x 7\" H. The TM100 comes complete with: one TM100 meter, one TS-107 Sensor, one SH44 Handle, three PE22 3-ft. extensions and 9V battery and carrying case."