Camera design

•  Bullet (1)
•  Eyeball (1)

Pixel Resolution

•  2 - 4 MP (8)
•  4 - 8 MP (5)
•  More than 8 MP (3)

Microphone

•  Built-in (3)
•  Other (5)

SD card support

•  No (3)
•  Yes (5)