Features 1、Compatible Models: This garage door remote control opener is suitable for LiftMaster, for Chamberlain, and for Craftsman, replacing for 893MAX 891LM 371 971 series. It can directly replace lost or damaged remote controls. 2、Enhanced Security: This remote control adopts the latest Security+2.0 rolling code technology to minimize radio interference and enhance security. Every time when using the remote control will generate a new security code. 3、Simplified Pairing: The garage door remote control adopts 3 buttons design, simplifying the garage door pairing process, making it effortlessly simple and providing you with a more enjoyable and convenient use experience. 4、Extended Range: The garage door opener remote controller ensures no waiting roll in access from a open distance of up to 100 meter (328.1ft), offering convenience and flexibility for seamless garage entry. 5、2 Pack Controllers: Included 2 garage door openers. Whether you misplace one or want to share access with family members, having an extra remote control ensures uninterrupted access. Carry one with you for easy control anytime, anywhere. Specification Item Type: Garage Door Remote Opener Material: Metal, ABS Battery Type: 2 x CR2032 Button Battery (one battery for each remote control) Battery Capacity: 2 x 210mAh (built in) Frequency: 390mhz Code: Rolling Code Button: 3 Buttons Transmissing Distance: Approx. 100m / 328.1ft (open area) Package List 2 x Garage Door Opener Remote Control 2 x Clips 1 x User Manual