Temperature measureme range:  
 Forehead mode: 28~43°C (82.4~109.4°F)
 Surface mode: -22~80°C (-7.6~176°F)
Accuracy:
 Forehead mode: ±0.2°C (0.4°F) within 35~42°C (95~107.6°F), ±0.3°C (0.5°F) for other range.
 Surface mode: ±0.3°C (0.5°F) within  34~43°C (93.2~109.4°F), others ±4% or ±2°C (4°F) whichever is greater.
Operating temperature range:  10~40°C (50~104°F), 15%~85% RH 
Storage temperature:  -20~50°C (-4~122°F), RH ≤85%
Transportation temperature:  Shall be less than 70°C, RH ≤95%
Response time (90%):  
 Forehead mode: 1 sec. 
 Surface mode: 0.6 sec.
Display mode:  Oral / Surface
Scale selection:  °C / °F
Display type:  Large LCD
Memory:  25 sets
Temperature Awareness Signal:  Button Light / Beep Sounds
Battery type:  AAA * 2 pcs