This is a high precise thermometer，especially suit for testing body temperature.The meter no need to touchthe body can measure the temperature of body surface accurately.The meter shoot up a beam of light through laser pointer，which can induce temperature sensitively.Ultra LCD screen display with backlight，it is very visualized to see the result.It is suitable for doctor and normal daily life use.Specifications:Unit of temperature: °F&°CDisplay:3 1/2 digit LCD displayTemperature Range:32.0~43.0℃(90.0~109.4°F)Accuracy: ±0.3℃(±0.6°F)Diode Laser: Output＜1mW，Wavelength 630nm-670nm.Recommend measuring distance: 50mm to 150mmWorking temperature: 10~40℃Data hold funtion.Auto power off after 7 seconds if meter have no reaction.Low battery indicationCertificate: RoHS，CEPower supply: 1 x 9V(6F22) battery(battery is not included)Color: white&blueDimensions:160x100x48mmUnit packing gross weight:130gNote: ONLY include single themometer，no accessories and wrapping paper is included when packing