* Mobile device must be within Bluetooth® communication range and connected to temperature sensor to receive continuous readings and notifications. When not connected to your phone, the Radius T° Sensor stores at least 8 hours of temperature readings and will transfer that historical data to your phone when you reconnect.
** The laboratory accuracy of Radius T° is ±0.18°F (±0.1°C) for an input surface temperature range of 77°F to 109.4°F (25°C to 43°C).
Radius T° is not FDA 510(k) cleared. The device is marketed under the FDA’s Enforcement Policy for Clinical Electronic Thermometers During COVID-19.