This product is High quality Color CCD sensor for crisp, clear images
Weatherproof with sturdy Alloyed Shell for Outdoor use
Built-in Infra-Red (11x LED) for night vision: Color during day, Nightvision (B&W) at night
Built-in microphone for audio monitoring
Button-type switch receiver with channel LED indicators
4-channel operation allows multiple (1-4) camera systems (optional)
Long operation range: Up to 100 m line of sight or 30 m through obstructions (walls/ceilings)
Easy to install: Wall/ceiling mountable