Features include a gray cover, one-button, keychain model, programmable, and 295 MHz frequency garage door remotes. Compatible with Chamberlain Sentex model Clikcard-1K remotes. FC codes 30, 31, 32 available on all models. Transmitter Solutions offers Radio Remotes that are compatible with the major brands on the market as well as discontinued items. Keychain models designed so they won’t break right where the key attaches. Visor models have a slimmer design allowing car visors to close completely. Warranty: 2-years.