Measurement method:non contactMeasurement mode:body or object temperatureMeasuring distance:1-15 cmAmbient temperature:15-40ºCRelative humidity:<=85%Measurement range:Object temperature mode:0-100ºC +/-0.3ºCTemperature mode:32-33.9ºC+/-0.3ºC 34-41.9ºC+/-0.2ºC 42-43ºC+/-0.3ºCPower consumption:<=0.75WDisplay resolution:0.1ºCProduct size:116.05x86x25.45mmHost weight:170g(without battery)Power supply voltage:DC4.5V(3AA alkaline batteries) or USB/DC 5VDynamic shutdown:<=30 secondsTemperature measurement time:<=1.8SDisplay screen:4.2 inch LCD screenStorage data:20 groups of measurement data