Feature:·Non-contact·High accuracy·℃ or ℉ selectable·Alarm setting (Default at 38 ℃）·Surface mode: 0-100℃，Body mode:32-43℃·Data hold·Auto turn off·Resolution 0.1 ℃（0.1℉）·Backing lightTechnical SpecificationsIn Body Mode: 32.0-43.0℃（90-109.4℉）Surface mode: 0-100℃Accuracy: ±0.3℃（0.54℉）Measuring Distance: ≤5-10cm(≤2-4in)Operating Temperature: 15-38℃（59-100.4℉）Storage Temperature: 0-40℃（32-104℉）Humidity Rate: ≤85％Automatic off: Automatic shut off after 7 seconds， approx.Power: 3VSize: 142x48x55mm