Levana Digital Wireless Video Camera with ClearVu Technology for LV-TW301 (LV-TW301-C) Digital Wireless Technology Ensures Signal Up To 350 feet Advanced Clearvu Technology Provides Clear, Secure Image Automatic Night Vision Rechargeable Monitor For Up To 4 Hours Of Continuous Use Wireless Handheld Monitor Add additional cameras to your LV-TW301 system ClearVu technology ensures outstanding image clarity Superior Digital Wireless Technology The built-in night vision allows you to see your child, even in complete darkness The color changing, built-in night light displays a calming light show