White 4W 30,000 hrs IP20Steel construction3 hour maintained mode as standard which can also be configured for non maintained operationFacility for remote switchingFull range of interchangeable polycarbonate ISO 7010 legends available, comes complete with up arrow legendDiffuser on base: for added downward illumination of exit pathVeiwing distance 29mLED charge light and battery test button3.2V Li-ion 1500mAhReplacement battery code: EB17Technical SpecificationLumens per watt: Up to 17 lm / WTSI Code: 406600363Technical Specification:Colour: White Wattage: 4W IP Rating: IP20Dimensions: Length: 180mm x Height: 300mmWeight: 180Kg