| Model No. | EST-W5451 | EST-W3251 |
| Camera Type | Color Weatherproof IR Camera | |
| Image Sensor | 1/3 Inch SONY Hi-Res. CCD | 1/3 Inch SONY SuperHAD CCD |
| Effective Pixels |
PAL:752(H) x582(V) 440K NTSC:768(H) x494(V) 380K |
PAL:500(H) x 582(V) 290K NTSC:510(H) x 492(V) 250K |
| Sensing Area | 4.9mm x 3.7mm | |
| Signal System | PAL /NTSC | |
| Horizontal Resolution | 540 TV Lines | 420 TV Lines |
| Min. Illumination | Color(0.3 Lux), B/W(0 Lux,IR On) | Color(0.5 Lux), B/W(0 Lux,IR On) |
| Lens Mount | Varifocal 4-9mm Lens/F1.4 | |
| Iris Control | ||
| S/N Ratio | More Than 48dB (AGC Off) | |
| Electronic Shutter | 1/50(1/60) ~ 1/10,000 Sec. | |
| White Balance | Auto | |
| AGC | Auto | |
| Infrared Luminary | 60 pieces Big IR-LED | |
| Infrared Wavelength | 850 nm | |
| Illuminate Distance | More than 50 M | |
| Waterproof Criterion | IP66 | |
| I/O Connector | Power : DC Power Jack , Video Output : BNC | |
| Video Output Level | 1.0 Vp-p (75 Ohms, composite) | |
| Supplied Voltage | DC12V Voltage | |
| Power Consumption | IR On: 280mA max., IR Off: Less than 130mA | |
| Dimensions | 160 x 100x97mm | |
| Weight | Approx. 1.0kg | |

