Universal Garage Remote (610-2107) Features Faxback Doc. # 31188 The Radio Shack Universal Garage Door Remote Control System lets you open and close your electric garage door from up to 100 feet away by simply touching the button on its miniature key-chain transmitter. You can also use it as a general-purpose remote control system to control many appliances around your home, or for hobby projects. And, you can add up to three additional remote transmitters to the system. The supplied transmitter comes with its own lithium battery set that will last many years and is easy to replace. The supplied receiver is easy to mount and connect to your garage door opener. Its flashing red LED lets you see that it is operating. NOTE: Most Genie and some Overhead Door and Stanley garage door systems cannot supply enough voltage (between 11 and 38 volts AC or DC) to control this system. FCC NOTICE This device complies with FCC Rules, Part 15. Operation is subject to two conditions: 1. This device may not cause harmful interference, and 2. This device must accept any interference received, including any that might cause undesirable operation. (CS 3/6/96)