touchless
adjective /ˈtʌtʃləs/
/ˈtʌtʃləs/
- used to describe technology that allows you to give instructions by making movements rather than by touching any part
非接触式的；自动感应的 - Hand dryers are available with push button or touchless automatic operation.
干手器有使用按钮操作的，也有非接触式自动运转的。
- Hand dryers are available with push button or touchless automatic operation.