As a parent, I don't need any statistics. If there is a device that can help me to find my daughter if she get lost accidentally - I don't see reasons to don't

As a parent, I don't need any statistics. If there is a device that can help me to find my daughter if she get lost accidentally - I don't see reasons to don't use it. She can't talk yet but she loves to run to some forbidden place if she has any chance to do this.