We have HiSense BabySense V Baby Safe Infant Movement Monitor with Product Detail The simplest and most reliable monitor available, the BabysenseTM V is comprised of two very sensitive sensor pads which are placed under the baby's mattress, and a high speed microprocessor control unit. The control unit alerts you with a loud alarm if it does not detect any movement for 20 seconds or if it detects less then 10 micro-movements per minute. Even the slightest body motions are registered as movement. BabysenseTM V is not a medical device. It monitors and alerts, but cannot prevent any type of distress. The responsibility of assistance rests on you. BabysenseTM V senses movements and motion only and cannot monitor other occurrences. The purpose of the device is to alert you when stopping or slowing of movement occurs. . The "HiSense BabySense V Baby Safe Infant Movement Monitor" is best product for you. We recommended HiSense BabySense V Baby Safe Infant Movement Monitor