Just plug it in. It does not get any more simple than this. No buttons to press, no setting up necessary. All you have to do is take out the SD card at the end of the day and playback on your PC. That is it !! Unlike other competitors, this unit has a camcorder quality, wide angle CCD color camera inside. The built-in DVR will handle up to 8G SD card for long recording upon motion detection.  Excellent for nanny watching and also in a tricky situations like in a nursing home, use it to protect your parents too!. Air purifier is not functional

(Dim: 6"  x 6" X 7"h):

• Motion Activated Recording
• Color Camera dy day, black and white camera by night (for better videio in low light condition)
  
• Sensor: CCD SONY
• Sensor Mode: Dual Color & B/W
• Res (Standard): 420 TV Lines
• IR Sensitivity: YeSX

• Sensor: CCD SONY
• Sensor Mode: Dual Color & B/W
• Res (Standard): 420 TV Lines
• IR Sensitivity: Yes
• Viewing Angle: 75 Deg. Horiz.
• Max Video Rec Quality: 704x480
• Max Video Rec Speed: 30 f/s
• Memory Type: SD Removable
• Max Memory: 32 (Up to 8GB Recommended) Gb
• Motion Detection Rec: Yes
• Time Stamp: Yes
• Audio: Optional

Q: Does the air purifier work?

A:No

Q: Does the air purifier need to be pluged in to an outlet?

A:Yes

Q: How big is bthe air purifier

A:(Dim: 6"  x 6" X 7"h)

Q:Does it record on motion activation?

A: Yes