LiftMaster 041D0503-19 Cover (SB&D) 18 ft An internal sounder beeps when

An internal sounder beeps when each key is pressed

AC or 24VDC

shielded 18-24 AWG Aux Reader: 2 cond

ensuring smooth and trouble-free operation

the first remote control "teaches" the second one the correct code which is automatically saved in the receiver the first time it is used

LiftMaster 041D0503-19 Cover (SB&D) 18 ft An internal sounder beeps whenLiftMaster 041D0503 19 Cover (SB&D) This is a made to order replacement part. This LiftMaster 041D0503 19 is a Replacement Cover. For use with various Stanley Black & Decker Garage Door Openers. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Please allow extended lead time due to manufacturing and shipping for all made to order LiftMaster parts and or service kits. For questions or