noun
choice device
A computing term for a device that allows a user to select or input a value, such as a dial, keypad, or touchscreen control.
この選択値入力装置は、温度設定に使われます。
This choice device is used for temperature setting.
Compound of 選択 (selection), 値 (value), 入力 (input), and 装置 (device). A technical term likely coined in engineering contexts.