Suggested Retail: $19.95. Two GDR PRO for 813LM Liftmaster Garage Door Gate Opener Remote Control - This set includes two GDR PRO remotes for the 813LM Liftmaster Garage Door Gate Opener. These are aftermarket replacements featuring 3-buttons for the 813LM model. Each remote can control one garage door or gate. The package includes programming instructions, a battery, and a visor clip. These remotes are compatible with Security+ 2.0 Liftmaster with 12-dip switch programming. Brand: GDR PRO -- LOT STICKER: TCE-BOX-BOXTCE00127-ITEM-ad64bdc2___X00356O9GD -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO. Raw Description: Two GDR PRO for 813LM Liftmaster Garage Door Gate Opener Remote Control