This is a LiftMaster 371LM Garage Door Opener Remote in black color. It is a battery-operated unit with a lithium-ion battery included. The remote has a 230 ft operating range and uses a 315 MHz frequency for communication with the garage door opener. It is compatible with infrared and Wi-Fi smart home protocols and has one button for easy operation. The unit type is a remote and it is suitable for use with LiftMaster garage door openers.
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