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 reddish orange learn button on the motor head.
390 MHz LiftMaster 971 LM 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