Clockwise from top left:

With the Summer Infant Day and Night Color Flat Screen Video Monitor , you can play one-way peekaboo 24 hours a day. Range: 350 feet, $177

Philips Avent Digital LCD Baby Monitor reads the temperature of the nursery and lets you remotely activate the night-light and lullaby functions. Range: 900 feet, $160

The Dancing Daisy Kid Cam and Baby Monitor comes in three nursery-friendly colors. Night-light turns on when stem is touched. Range: 300 feet, $149

BébéSounds AngelCare Deluxe Movement Sensor with Sound Monitor alerts you when absolutely no movement is detected for 20 seconds. Range: 200 feet, $130