Sometimes a simple modification is all it takes to get something just the way you want it. The Ikea LÖTTORP clock/thermometer/timer caught [Mansour Behabadi’s] eye. The LÖTTORP  has four functions based on its orientation. [Mansour] loved the orientation feature, but hated the clock’s shrill beeping alert. Visual beeps or alarms…
Source: Quick Hack Creates A Visual Beep Alarm