Model Number: FT-100A/B-9 Brand Name: JASUN Key Specifications/Special Features: 1) Measuring range: 32.0-42.9°C/(89.6-109.2°F)2) Measuring accuracy: ±0.3°C (from 32.0 to 42.9°C) ±0.5°F (from 89.6 to 109.2°F)3) Min. scale: 0.1℃/0.1°F4) Response: 1 second5) Memory: last 10 memories6) Automatic power off: 1 minute without manipulating7) Battery: two 1.5V alkalescence batteries (LR03)8) Battery lifespan: 4000 takes9) It can display in Centigrade or Fahrenheit10) Illuminated display with green light