This popular Robus branded LED batten uses only 40 watts of power to produce the equivalent output of a 1x58 watt fluorescent fitting / tube. It also comes with a 3 hour emergency battery built in making it the ideal lighting solution for offices retail shops and other commercial or public buildings. The LED technology inside allows it to be switched via PIR Photocell and Microwave systems and its elegant slimline design will ensure both easy installation and a pleasant aesthetic. It emits a 4000K cool white light colour at 4640 lumens intensity.