Make sure the battery is positive and negative.
HONG ZHUO Digital Thermometer Electric One Second Contactless Body Without Contact Thermometer Fever Digital Infrared Thermometer Ir Front Thermometer Gun
WZhen Portable Forehead Electronic Ir Infrared Thermometer Non-Contact Lcd Digital Temperature Fever Measurement Tester Detector For Human Baby Adult Child Body Thermometer - Type A
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Forehead Thermometer LCD Display Instant Accurate Reading Digital Thermometer with Fever Alarm °C /°F Switchable No Touch Fever Thermometer for Adults and Kids Fever Thermometer Temperature
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Deltasat fever thermometer, contactless x001, infrared thermometer with 3 coloured LCD display, fever alarm & 2s instant measurement, forehead thermometer for babies, children & adults, fever meter
