Amazon offers the Defender PX301-012 Digital Wireless DVR Security System for a low $139.99 plus free shipping.

What makes this deal hot:
You save $235.00 (63%) off the price after instant savings! That's the lowest price we could find currently.

What this does & Why you need it:

• Digital Wireless Technology - No messy wiring involved
• Night vision with 18 IR LEDs that let you see in the dark, up to 40ft away
• SD Card Recording (system includes a 2GB SD card)
• Easily Connects to a TV
• Remote Control Access
• 24/7 Lifetime Live Customer Support
• Expandable up to 4 Cameras
• Motion Detection Settings
• 24 Hour Scheduled Recording