Materials: white polycarbonate body opal polycarbonate cover Mounting: ceiling or optional dry-wall or under plastering Characteristics: 230V 50Hz power supply Charge time - 24 hours Electric power network and battery charge LED indicator High-temperature nickel-cadmium batteries Fluorescent lamp T5 8W Insulation class II Protection level IP42 Ambient temperature: 0°C to +40°C Electronic protection against complete battery discharge Emergency operation time 1, 2 or 3 hours Recognition distance 20 m Connecting clips 3 x 2,5 mm2