Suitable for use in offices, public buildings, health centres, hospitals, schools, hotels, pubs, clubs & restaurants, shops and stores, for emergency lighting of anti panic areas 4-year warranty for the fitting and 2-year for the battery Energy efficient recessed LED emergency downlight with LiFePO4 battery Provides 3 hour emergency discharge duration Green colour LED Indicator included Wide operating ambient temperature range of 0°C to +40°C