I tested these baby monitors over per month, alternately testing them every single week and in some cases multiple occasions a week. This was to secure a come to feel in the monitor alone and play around with as many attributes as possible. Other firms contacted by CR have addressed https://johnnyogyod.blogkoo.com/the-2-minute-rule-for-best-baby-monitor-for-snoo-bassinet-swaddle-52236879