Craftsman 57999 Quick Start Manual page 6

NOTICE: To comply with FCC and or Industry Canada (IC)
rules, adjustment or modifications of this receiver and/or
transmitter are prohibited, except for changing the code
setting or replacing the battery. THERE ARE
NO OTHER USER SERVICEABLE PARTS.
Tested to Comply with FCC Standards FOR HOME OR
OFFICE USE. Operation is subject to the following two
conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any
interference received, including interference that may
cause undesired operation.
All trade names used herein are trademarks of respective
manufacturers listed.