This is washer wiper, this is emergency alarm switch.

这是雨括开关、这是危急报警灯开关；

youdao

Pulling out the alarm switch activates alarm and pushing it deactivates it.

闹钟的开和关是通过拔出和按入闹铃开关实现的。

youdao

Because the three switches in an alarm switch are in different states, the entire device is in three different functional pre-warning states.

由于报警开关中三个开关分别处于不同状态，因而使整个装置处于三种不同功能预警状态。

youdao

Seiko wrote there was a similar fire in Kabukicho,Japan in two thousand one: "The building had a fire alarm apparatus but the switch was turned off because of poor maintenance.

VOA: special.2011.03.18