Your search for night guard returned the following:

Add-on sensor light for Night Guard Home Security Monitoring System

LOW STOCK

• swivels up to 200° to follow motion in your yard
• built-in infrared sensors detect motion

Add-on computer adapter for Night Guard Home Security Monitoring System

IN STOCK

• wirelessly links sensor light and your home computer for video recording
• connects to your computer's USB port
• creates its own wireless network (no home network required)

Light and camera security system with link to your computer

IN STOCK

3 people say 

• motion-activated security light and camera
• swivels up to 200° to follow motion in your yard
• wirelessly links to your home computer for video storage