... Both in the kitchen as well as in the preparation of baby food, baby milk, etc. At last, no longer need to test the sensing leave, the more bad than good anyway yielded results. Previous speaker, I can not agree. The device is with us for 9 months pauselos in use and has never refused to serve. As a small tip for the previous speaker, the laser can turn on and off you, it serves only as an aid to find the optimum distance. And should the laser be more lech defective, the device funktionniert without laser, you just have to estimate the optimum distance .... (± 25cm)