The Temperature Calibration Key is compatible with the Welch Allyn Spot Vital Signs® devices.
The calibration key is also compatible with SureTemp® and SureTemp® Plus models 767T, M678, M679, 52000.
All orders are shipped via ground except for certain larger orders, ambulance cots, etc. which ship via commercial trucking service.
When shipping ground you can expect the following transit days to your location. Please note: The transit days are based on business days.