I bought this for my 17 year old teen that it was impossible to pull the bed This alarm clock vibrates really hard. Placing the "vibrating roller" which is attached by a cable to awakening under the mattress (as it really move much while sleeping, my son, I was afraid that his head is not close to the pillow at the fateful hour awakening), which still allows good feel fibrations. Buz a function can be added (which can sound really loud) and if all this is still not enough, it flashes! Snooze function (re-ringing after 9 minutes when you press the button). Battery for data backup in case of power failure. Exactly the product we were looking for! In addition, the price is very competitive. The awakening came with a French plug. No need for adapter I ordered at the same time after reading the previous reviews.
