This helps save battery life by not having to turn - on the main display to see your notifications. (androidheadlines.com)
This helps save battery life by not having to turn - on the main display unless you need more information about your notifications. (androidheadlines.com)
Each parent unit also has the LED sound light feature to allow parents to visually register sound and movement even when the video monitor is in stand by mode saving battery power. (10exposed.com)