Advantages: One-button Operation—-easy to use. Fashion Design—-stylish appearance is more popular. Environmentally Friendly—-materials are strict screened,safer for baby. Comfortable To Hold—-more ergonomic design,better experience. 1 Second Measurement—-fast measurement, no waiting any more. Suitable For Sleeping Baby—-it can be used even if baby is sleeping. Avoid Cross Infection—-non-contact measurement,safer for baby.