t8 led emergency tube lights 180mins g13 4ft 18w 85-265v pf0.9 1700lm 2835smd 96leds 1200mm fluorescent blubs lamps lighting battery inside

emergency 180mins with 6w when power cut,more 500lm. high luminous 95lm/w, 18w with 1700lm. 60cm-2ft and 90cm-3ft both ok for order. 1- great led driver of power factor 0.9, 85-265v ac, 3 years lifespan, quality and energy conservation. 2- great led of 95lm/w, 75ra, 3000k-6500k, 50,000 hours, energy-efficient and multi-selection. 3- long lifespan becuase of good heat dissipation, quality pcb and aluminum alloy materials. 4- big feature emergency lighting integrated, it still keep lighting 90mins 120mins 180mins when power cut.