Feature: 1.Non-Contact Design: This Forehead Thermometer Is Special Designed To Take The Human Body Temperature With A 3Cm-5Cm(1.2In-2In) Distance From Forehead. 2.Accurate And Reliable Measurement: Thanks To The Advantage Infrared Detection System, Use Infrared Technology To Scan And Measure The Temperature Of The Temporal Artery On The Forehead. The Digital Thermometer Can Quick To Take A Accurate And Reliable Measurement. 3.Complete Features: Practical,Easy To Use, Aim To The Body Forehead And Press The Scan Button. For Your Convenience, The Tested Temperature Unit Can Be Displayed In Either ℃ Or ℉. 4.Memory Recall And Fever Alarm: The Body Thermometer Can Memorize The Last 32 Temperature Measurements. And The Backlit Will Display Red Colour And Audible Alarm If Body Temperature Is More Than 38℃(100.4℉). 5.100% Safe And Hygienic: Safe For All Ages/Groups And Completely Hygienic, The Thermometer Helps You Have Safe Control For Body, Surface And Room Temperature.Additionally, It Is Equipped With Automatic Power-Off (30 Seconds) To Conserve Energy. Specification: Unit Size: 187*120*57 Mm(Lxwxh) Unit Weight(Without Battery): 80G Temperature Display Resolution: 0.1C(0.1F) Consumption: ≤300Mw Memory: 32 Sets Normal Using Condition: Ambient Temperature: 10°C ~ 40°C (50°F ~ 104°F) Relative Humidity: ≤85% Audible Alarm If Temperature Is More Than 38°C (100.4°F) It Can Be Displayed In Either Celsius Or Fahrenheit Longevity Use 100,000 Readings Eliminates Cross Contamination Hygienic And Easy To Use Accuracy: ± 0.3°C (0.6°F) Response Time: 1 Sec Suggested Age: Newborn And Up Automatic Power-Off: <30 Secs Measuring Distance: 3Cm ~ 5Cm (1.2In ~ 2In) Measurement Range: Body Mode: 32°C ~ 42.9°C (89.6°F ~ 109.2°F) Surface Temp Mode: 0°C ~ 60°C (32°F ~ 140°F) Room Mode: 0°C ~ 40°C (32°F ~ 104°F) Precision: 32.0°C ~ 34.9°C (89.6°F ~ 94.8°F) ±0.3°C(±0.6°F) 35.0°C ~ 42.0°C (95°F ~ 107.6°F) ±0.2°C(±0.4°F) 42.1°C ~ 42.9°C (107.8°F ~ 109.2°F) ±0.3°C(±0.6°F)