The Arm Electronics C520PIR consists of a color camera concealed in a PIR motion detector. The built-in camera is of a high quality, with a 1/3" CCD, 520 TVL of resolution and a good low light rating of 0.6 lux. The camera is equipped with a 3.7mm pinhole lens, a focal length common for security cameras. The video output is via a BNC connector, and a bracket is supplied for installation on a wall.
| Signal System | NTSC |
| Image Sensor | 1/3" Color CCD |
| Number of Pixels | 771 x 492 |
| Resolution | 520 TVL |
| Lens | 3.7mm Mini pinhole lens (integrated) |
| Iris Operation | Fixed |
| Minimum Illumination | 0.6 Lux at F2.0 |
| IR Illumination | No |
| Signal-to-Noise Ratio | 46dB |
| Controls | Electronic Shutter (1/60-1/100,000 sec) |
| Microphone | No |
| Weather Resistance | No |
| Video Output | BNC |
| Audio Output | N/A |
| Sync System | Internal |
| Power Requirements | 12VDC |
| Power Consumption | 100mA |
| Operating Temperature | 14 - 122°F (-10 ~ +50°C) |
| Dimensions (WxHxD) | 4.5 x 5.7 x 3.1" (114 x 145 x 79mm) |
| Weight | 0.2 lbs (91g) |