◆ SY-DA-JY-2：电动车喇叭和闪光器集成设计
◆ SY-DA-JY-3：电动车喇叭、闪光器和防盗报警功能集成设计
◆ SY-DA-JY-2：Electric horn and flasher integrated design
◆ SY-DA-JY-3：Integrated design of electric vehicles, anti-theft alarm flasher and horn