I have a Craftsman garage door opener with a PURPLE learn button on the motor unit. Programming was very easy. All you have to do is press the PURPLE Learn button for JUST A FEW SECONDS until the light above/next to the button illuminates. Then press any button on the remote that you want to control the door with. The motor unit display will flash or beep to confirm it has been programmed. mine sparkled. Now press the button you just programmed and the door should open. If not, repeat the process. And repeat the process for the other remote control. DO NOT HOLD THE PURPLE BUTTON FOR MORE THAN 20 SECONDS or your opener's memory will be erased and you will have to reprogram ALL your remotes. If for any reason you want to delete this remote control, you can't. You will need to clear the motor block's memory and then reprogram any remote controls you wish to use for the opener. It's the same as losing your remote control. You will need to clear device memory and reprogram remote controls. The remote control has a long range of about 80 feet. The latch on the lid is a little tight so I smeared the grooves with petroleum jelly and voila, it slides up and down smoothly. It protects the buttons from accidental presses in your pocket or purse. The size is smaller than other remotes of this style, making it more compact, which I liked. It's more plastic than the others, but that makes it lighter as another plus. These and other similar remote controls are non-returnable. It's not in the description. You won't find out until you go through the return process. I'm sure if you contact Revain and complain they will help you but YMMV. So far I like this remote but time will tell if it continues to work and doesn't fall apart or break the ring holder. And for less than $10 each, you can't beat it. It's also a remote control that you attach to your car and house keys. And take it with you when you get out of the car. You don't want to leave your garage door remote in the car. People can steal it and gain access to your garage and house if your garage is adjacent to your house. Leaving your car in the driveway with the remote in the car can allow thieves to break into your car and use your remote to enter your garage and home, especially at night. Just a warning. updated. 07/02/2019. The battery was dead after only 2 months of use. Hopefully the original battery was old and my new battery will last a few years just like my old alarm remote. It uses a CR2032 battery. I don't deduct 1 star for the battery, but because the remote control drains the battery. By reading this review you can find out how long my new battery will last and if the remote is really draining the battery or if the original battery was bad as I will update this review again if my new battery dies or there is a problem with the remote control.
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