Hikvision
| Device interfaces | |
| Two-Wire interface | 4 (Two-Wire interface for indoor station) |
| Cascade interface | 2 |
| General | |
| Installation | Surface mounting |
| Indicator | 6 |
| Dimension (W x H x D) | 70.6 mm x 60 mm x 25 mm (2.78" x 2.36" x 0.98") |
| Working temperature | -10 °C to 55 °C (14 °F to 131 °F) |
| Working humidity | 10% to 90% (no-condensing) |
| Power consumption | = 2W |
