Directional visor clip included, 3V lithium battery included, Features Security+ rolling code technology, Compatible with LiftMaster 390MHz Security+ Garage Door Openers and Radio Controls with a Redish orange learn button on the motor head.
390 MHz Liftmaster 971lm transmitter is compatible with orange or red learn codes
Operating range: 100ft- authentic Liftmaster product- OEM
Operates on a 3 volt lithium battery
Frequency of operation: Rotating
Transmitter: 1 - button, 390 MHz frequency, code rotating technology (security+)