The size of timer is 2.2 x 2.1 x 0.55 in, and the lcd screen is 1.6 x 1.0 in. It does not take up too much space, and its size allows you to ignore its existence. But it has a big lcd screen which you can use very pratique and it has a very loud volume 83db-93db.
You can put it in anywhere because It provides a Back casing with Magnets and retractable stand. if you want to fix it on wall, it is better to use the Double-sided adhesive.
The simpler thing, the better its quality. It still work after serval times fall from 1.5 metre high place. Even it fall down in piece, You can easily reassemble. It still work.
Save your money and buy you need! Don't pay for the extra function! Because you don't need the Thermometer, barometer, date, backlight. You do not have to waste money on these cumbersome features, you only need a timer!