Mail your OtoScreen Unit(s) to:
Include a paper with the following information:
Either click the "Buy Type Conversion" button on the left and pay online or include a check in the box with your unit.
If paying by check:
Include a check for $59 ($49 plus $10 shipping and handling) for just a type conversion.
Include a check for $119 ($109 plus $10 shipping and handling) for a type conversion including a re-calibration service.
The re-calibrations service is recommended when changing unit types.
Units are not returned until payment is received.