Compact size, under 5" long, weighs 11 grams. Measures in 60 seconds & beeps when complete. 15mm x 6mm display. Lasting memory. Water resistant design. Dual scale can be operated in either Fahrenheit or Celcius. Auto off function. Range 90 degree F to 109 degree F + - .2 degree or 32 degree C to 43.9 degree C + - 1 degree C. Clear plastic case keeps instrument sanitary. Comes with 5 sheaths. 25/bx