🌙 Instantly switch macOS screen timeout from your menu bar — no more digging through System Settings. Preset timers, instant lock, keep awake, display off, or auto re-lock after you step away. Perfect for meetings, cafés & shared workspaces. 菜单栏一键切换屏幕超时，不用再翻系统设置：预设倒计时、立即锁屏、保持唤醒、熄屏、离开自动重锁。开会、咖啡厅、共享办公必备。