The luminaire is self-contained and designed to provide emergency and backup lighting in the event of a power outage. It can be used in hazardous areas and Class 1 and 2 rooms. It does not require connection through an intrinsically safe barrier.
| Sphere of VZ AO-D | Sphere of VZ AO-P | Sphere VZ AO-D220 | Sphere VZ AO-P220 | |
| Power supply from a DC source with voltage | =12-30 V | =12-30 V | ||
| Maximum current consumption | 0.12 A | 0.12 A | ||
| Power supply from an AC source with voltage | ~220 V | ~220 V | ||
| Maximum current consumption | 0.12 A | 0.18 A | ||
| Operating principle | Intermittent action, illuminates when there is no power supply | Constant action, always illuminates | Intermittent action, illuminates when there is no power supply | Constant action, always illuminates |