For LiftMaster TX4UNIS TX4UNI TX4EVS TX2EV Remote Control 433MHz Chamberlain TX2REV TX4RUNI MERLIN E950 Garage Door Opener For LiftMaster TX4UNIS TX4UNI TX4EVS TX2EV Remote Control 433MHz Chamberlain TX2REV TX4RUNI MERLIN E950 Garage Door Opener Description: 1.Type of programming: Programming with the receiver 2.Number of channels: 3 3. Code: rolling code 4. Frequency: 433.92MHz 5.Woring Range: 10-50 m (open space) 6.Remote come with Battery !!! 7.Size:62*34*11mm Security of use: dynamic code provides a high level of security, non-copyable code. Disclaimer:Your Old remote must be same as the advertisement , new remote do not compatible with other remotes . Compatibility list: TX2EV 433MHz TX4EV 433MHz TX2EVS 433MHz TX4EVS 433MHz TX2REV 433MHz TX4REV 433MHz TX4UNI 433MHz TX4RUNI 433MHz TX4UNIS 433MHz How to program this replacement remote control: 1) Press the programming button on your motor. The LED will go on. 2) Press desired button on the new remote control. 3) The opener light will flash, confirming successful programming. Now the opener will operate when the remote control push button is pressed. To erase all codes from the receiver, hold the receiver's Learn button until the indicator light goes off (after 6 seconds). All codes that the receiver has learned will be erased. Include 1x Remote Control 1 x Battery 1 x Keychain 1 x English Manual