The LiftMaster 371LM Garage Door Opener is a 1-button remote control designed for LiftMaster and Chamberlain garage door openers. It operates on a Lithium-Ion battery, providing a wireless range of up to 100 ft. The remote comes in black plastic material and includes the necessary batteries. With smart home compatibility with Amazon Alexa, this unit features a universal design and operates on a 315 MHz frequency. It is a new in box (NIB) product with a manufacturer warranty of 1 year.