Check the listing for details. Chamberlain 41AS050-1 Receiver Logic Circuit Board Purple Learn - BOARD ONLY!!. Condition: Used. Listed at 47.50 USD. Chamberlain 41AS050-1 Receiver Logic Circuit Board Purple Learn - BOARD ONLY!! THIS LISTING IS FOR THE BOARD(S) ONLY!!! YOU WILL NOT RECEIVE THE PLASTIC END PANEL WITH IT. YOU WILL NEED TO ATTACH TO YOUR OWN HOUSING. Compatible with the following garage door openers with a red learn button and grey antenna (390MHz operators)... Compatible with Chamberlain Liftmaster low profile screw drive model numbers- 3110- 3220- PD420D- PD422D- PD462D- 9950D You may receive a part ending in a different letter, however it's just a year designation and guaranteed to work! Such as.... 41AS050-1A41AS050-1B41AS050-1C41AS050-1D41AS050-1E41AS050-1F41AS050-1G41AS050-1H41AS050-1M PART# 41AS050-1 NOTE: The part you receive WILL NOT be the exact one pictured, however it will be the same part number OR AN INTERCHANGE listed above, in similar condition. Items are used and may have paint, nicks, scratches, missing stickers, fading etc, but they are GUARANTEED to work or your MONEY BACK! - 60 Day Free Returns!- Ships Fast!- Ships Free!