Angelcare has been the leader in movement baby monitors for 15 years, providing optimal peace of mind for millions of parents around the world. The award winning Angelcare AC300 Movement Monitor watches over your baby when you can’t, detecting even the slightest of movements. The monitor is battery operated thanks to the compact design and it is ideal for travelling too.IMPORTANT: The Sensor Pad can be used with most baby mattresses. However, it cannot be used with memory foam mattresses or mattresses with a hollow frame.Please note: Monitoring of premature baby or babies considered to be at risk, should be carried out only under the supervision of a Doctor or Health Professional. This monitor should NOT be used as a medical device, nor as a device to prevent Sudden Infant Death Syndrome (SIDS).