Withings Thermo – smart Temporal Thermometer, FSA-Eligible, Suitable for Baby, Infant, Toddler & AdultsFSA-ELIGIBLE ITEM - If you have a flexible spending account with your employee health plan, no doctor’s prescription is needed to purchase a Thermo smart temporal thermometerHIGH PRECISION - Thermo has 16 infrared sensors that take over 4000 measurements to provide a highly-accurate resultQUI..