Check the listing for details. Skylink 318R Fixed Code Wireless Receiver for Garage Door Opener. Condition: New. Listed at 23.95 USD. Skylink 318R Fixed Code Wireless Receiver for Garage Door Opener The Skylink Garage Door Receiver easily connects to your automatic garage door opener to allow wireless garage door operation. When paired with a wireless remote, the receiver makes that stationary button on your garage wall obsolete. Whether you’re in your car or up in the rafters, you can now close the garage door without hassle. Easy to install Works with most brands of garage door openers Compatible with both the Keychain Transmitter and the Keyless Entry Transmitter (both sold separately) Contents Receiver Wire Clip Technical Details MPN: 318R UPC: 623459200298 Compatible transmitters: Skylink 318TN Keychain Transmitter or Skylink 318K Keyless Entry Transmitter Power source: Standard electrical outlet required Wire: 20 feet