Replace your one-button LiftMaster remote control with the 811LMX. The 811LMX is LiftMaster’s new and innovative programmable DIP Switch remote control. It is designed to replace all four of their current 1-button garage door transmitters, including the 811LM, 361LM, 61LM, and 61LMC. This programmable transmitter uses DIP switches to operate on three different frequencies (Security+ 2.0, 315 MHz, and 390 MHz) to provide the same functionality as their full line of DIP remote controls. This user-friendly transmitter is uncomplicated to program and compatible with LiftMaster Gate Operators, Garage Door Openers, and other Radio Controls. Product Highlights: Programmable DIP remote control Replaces LiftMaster single button remote controls: 811LM, 361LM, 61LM, 61LMC Compatible with 315 MHz, 390 MHz, and Security+ 2.0 Encrypted DIP gate openers, garage door operators, and radio controls LED light indicates battery strength and signals are sent transmission Straightforward DIY DIP programming