"It goes ding when there's stuff."
Time Whimey Detectors are cable of locating temporal anomalies. It goes ding when it finds stuff, "wibbly-wobbly, timey-wimey stuff" to be precise.
Warning: Keep device away from eggs and hens. Chicken eggs up to 30 paces away may become inadvertently boiled by this device, including those still in hens, causing them to explode.