Aupalla via Amazon offers the Aupalla Ear and Forehead Smart Thermometer for $59.99. Coupon code "ZB8KUX8J" drops it to $24.60. With free shipping, that's $35 off and the lowest price we could find. The thermometer plugs into an iOS or Android smart device and registers from 90° to 108° Fahrenheit. Deal ends June 30.