Compatibility: garage door remote for garage door openers from 1993 to the present. Please that your garage door opener has a learning button that is either , red, yellow, green, or orange before purchasing. garage door remote does not have DIP functionality and is not compatible with garage door openers that require code switching. Precisely compatible models: Garage door openers for , for 81LM, 139.53753, 139.53985D, 139.53680, 139.53681, 940EV, 953EV, 956EV, 950CD, 950CB, 953CB, 956CB, 940CB, 850CB,371LM, 373LM, 891LM, 893LM, 950ESTD, 953ESTD, 970LM, 971LM, 972LM, 973LM, and other models of garage door openers. Safety: garage door remote control system uses the latest Security+2.0 rolling code technology, which can control the garage door on frequencies of 310MHz, 315MHz, and 390MHz. Each time the remote is used, a security code is generated, making it more secure. Portability: This remote control is compact and . The garage door remote can be easily attached to a keychain or placed in a bag for convenient carrying and reduced risk of loss. Note:The accessories are compatible spare parts (not-original). The names and related model terms mentioned above are solely for demonstrating product compatibility. Color:As Shown Material:plastic Package Contents: 5 * remote control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.