LiftMaster 893LM Three Button Transmitter

The LiftMaster 893LM is a 3-button Security+ 2.0 remote control. It works with LiftMaster Security+ 2.0 garage door openers (Yellow learn button) and Security+ 2.0 gate operators on 310, 315 and 390 MHz tri-band. It controls up to three garage door openers, gate operators or myQ light accessories. Each press sends an encrypted rolling code. A 3V lithium battery rated for about 5 years is included. LiftMaster covers it with a 1-year accessory warranty. What's Included 893LM 3-button remote control 3V lithium battery Before You Order Security+ 2.0 only. It will not program to Purple, Red/Orange or Green learn button openers. For those, use the 893MAX or 890MAX. LiftMaster lists it for its 850LM and 860LM Security+ 2.0 receivers. 1-button version: 891LM.