Analog Color Mini-Dome Camera with 650 TV Lines.  The Sony SSC-N21 is an analog color mini-Dome camera with high sensitivity. 
* High resolution (650 horizontal TV lines) and high sensitivity * Electrical Day/Night function * ATW (automatic tracing white) balance * Back light compensation * 2D Noise Reduction * Low power consumption: 1.5 w (max.) 
Specifications: 
 
| 
 | 
 |  
| Image device | 
1/3-type "EXview HAD CCD II" |  
| Effective picture elements | 
approx. 570,000 pixels (976 x 582) |  
| Gain control | 
Auto (on/off) |  
| White balance mode | 
ATW (2000K to10000K), ATW-PRO (2500K to 6000K) |  
| Lens type | 
Built-in variable focal lens |  
| Zoom ratio | 
Optical 3.7X |  
| Horizontal viewing angle | 
99.5 degree to 27.4 degree |  
| Focal length | 
f=2.8 to 10.5 mm |  
| Backlight compensation | 
iBLC |  
| Day/Night function | 
Yes (Electrical D/N) |  
| Analog video output | 
Yes |  
| Signal system | 
PAL |  
| Sync system | 
Internal/AC line lock selectable |  
| Horizontal resolution | 
650 TV lines |  
| S/N ratio | 
More than 55 dB(AGC Off) |  
| Min. illumination | 
Color: 0.15 lx, B/W: 0.1 lx (F1.2, 50IRE); Color: 0.08 lx, B/W: 0.03 lx (F1.2, 30IRE) |  
| Mass | 
320 g (11.3 oz) |  
| Dimensions (¦Õ x H) | 
121.6 mm x 86.5 mm (4 7/8 x 3 1/2 inches) |  
| Power requirements | 
AC24 V ¡À10%, DC12 V ¡À10% |  
| Power consumption | 
Max. 1.5 W |  
| Operating temperature | 
-10¡ãC to +50¡ãC |  
| Storage temperature | 
-40 ¡ãC to +60 ¡ãC |  
| Auto Gain control | 
Auto (on/off) |      |