This remote is with multi frequencies that can be set up to operate two-four different models: like ATA PTX4: B&D 433MHZ: Merlin+: Merlin+2.0 Boss tec
This remote also can be used to replace the list of models below
To copy or clone please follow steps below.
Step 1. While press and hold Button 1 on MK900 quickly press Button 2 4 times, the red indicator blinks slow that means MK900 is ready to learn.
Step 2. Then press and hold button on old remote close to MK900 until the indicator blinks quickly ,
Step 3. Now you can press one of buttons you desire to use on MK900.
If you want to clone another different old remote or buttons please follow above Step1, Step 2 and Step 3.