... ,SAA,TUV,UL. 2013 hot new CE & RoHS high quality 5U lotus lamp ApplicationHome,hotel,restaurant,office,meeting room,shops and supermarket1 ... restaurant, hotels, offices etc, where requires lighting for long time3.high wattage lamps are specially for street, square, parking lot, petrol ... market It was designed to preheat the filament prior to lamp ignition in order to extend the lifetime of tube.After ...