I buy one of these for household use and like it enough to buy another one . -lrb- my strategy be to have several inexpensive alarm clock scatter throughout my apartment so that by the time I have find they all , I be awake . -rrb- the folding design allow the device to be pretty light without be easy to tip over . instead of buy yet another one , I be go to try out the  nap mate  the button on the Travel-Mate be make from harder plastic and be probably more durable . we shall see : -rrb-