Core technical advantages: First, multi-language and dialect recognition, supporting more than 20 languages such as Mandarin, English, Japanese, and Korean, as well as more than 10 dialects such as Cantonese, Sichuan dialect, and Shanghai dialect, meeting the needs of users in different regions and countries; Second, high recognition accuracy, after training with a large number of voice samples, the recognition accuracy reaches more than 99%, and it can accurately recognize even in noisy environments; Third, offline recognition capability, supports offline voice recognition, and can work normally when the network is interrupted; Fourth, natural language understanding, supports natural language instructions, and users can call and select floors in daily language; Fifth, convenient installation, adopts modular design, which can be used for new elevator matching and old elevator transformation, adaptable to all brands and models of elevators.