Avoid accidental starting. You should never hold a finger on the switch button or trigger while carrying a plugged-in tool.

避免意外启动。移动已接通动力源的工具时，切勿将手指放在开关按钮或触发装置上。

youdao

The lamp body is a switch button, even in the night also can be easy to use.

整个灯体就是一个开关按键，即使在夜里也可以方便使用。

youdao

A scheme which adding a switch button solves the manual switch problem between the mouse and the console operation mode, and also effectively isolates each other.

同时采用增加模式切换按钮的方法实现了控制台和鼠标两种操作模式的人工切换和有效隔离。

youdao

This protrusion (which is removeable) provides access to a multi-function button, volume controls, power switch and micro-USB port for charging.

ENGADGET

The right side houses a volume switch and a physical camera button -- these were a bit plasticky, but has a nice matte finish.

ENGADGET

"Additionally, a malfunctioning stop lamp switch may also result in intermittent operation of the push-button start feature, affect the operation of the brake-transmission shift interlock feature, preventing the shifter from being moved out of the park position and cause the Electronic Stability Control (ESC) malfunction light to illuminate, " stated NHTSA documents.

BBC: Hyundai and Kia in US car recalls