Skylink SK4B201 Skylink 4-Button Remote Control for Automatic Swing Door Opener

The Skylink 4-Button Remote Control allows you to wirelessly operate a Skylink swing door opener. With four buttons, the transmitter can remotely control up to four door openers in Toggle mode (Button 1 - open/close), or two openers in Open/Close mode (Button 1 - open, Button 2 - close). 4-Button Remote Control for Automatic Swing Door Opener. Wirelessly operates a Skylink swing door opener. Easy to carry with keychain design. Three operating modes - Toggle, Open/Close, Timer. Skylink rolling code technology. With rolling code technology, each time the remote is used, it generates a different code which can only be recognized by a rolling code receiver. Even if an electronic scanner picks up the code, the next code will not be the same, and the receiver will not recognize the old code. As a result, systems with rolling code technology are increasingly safe and secure.Contents Transmitter with keychain. Battery.Specifications Power source - 12 V alkaline battery. - SKU: HMCNT8798