MyQ enabled garage door and gate openers. You must have the Internet Gateway
The LiftMaster Garage Door and Driveway Gate Monitor/Transmitter will allow you to see if your gate or garage door is currently opened or closed. This wireless device will open or close your gate and monitor these positions. The monitor will give you a audible tone and the corresponding LED light will light up. The LiftMaster Garage Door and Gate Monitor can be learned to up to 4 MyQ enabled LiftMaster openers.
The 893MAX (Triple Button) run on the same frequency and are compatible with the gate and garage door models listed above in the Accessory Compatibilities section. The LiftMaster 893MAX transmitters run on a 315MHz frequency, making them interchangeable to suit your transmitter needs. With triple button transmitters, you can use the transmitters on multiple garage doors, gate openers or any combination that works for you.
QB ID: 2202AU-L(CN)