Emergency pack Rated mains voltage: 230V/120V 50-60Hz· Suitable for use PL,TC,TR,DD and circular fluorescent lamps· With tolerances for safety: 198-265V· Short circuit abnormality protection· High power factor(λ)>0.96· Emergency operating high lumen output· Have function of battery shutdown voltage 1V/cell· Ambient temperature: -20°C to +55°C· High frequency operating>42KHz· Max case temperature tc: 70°C· Emergency frequency operating 20-35KHz· Accord with the RoHs standard· Preheat start time<2s· According to VDE0108· Smart power IC keeps lamp power constant over wide voltage range· Small size: 230x48x33x220(LxWxHxM)mm