TERUMO Basal Body Thermometer, measures in 10 seconds - Brand: TERUMO - Model: Basal Body Thermometer - Measurement Time: 10 seconds - Usage: Oral use only - Model Number: 24-K13C Thank you for viewing. I recently purchased this for around 2800 yen. I used it only once and have cleaned and disinfected it. Comes with case and instruction manual.