NFE9121/ON the LED Emergency dome, applicable in the field of rail cars, locomotives, train cars, subway cars, cable trench, tunnel, subway platforms, corridors, airports boundaries of lighting. The NFE9121 Features 1 wide operating voltage to create a safe working environment, to ensure normal and stable lighting environment of severe voltage fluctuations. LED light source to ensure that the lamp instant cold start and hot start. Integrated aluminum alloy structure, lightweight, good impact resistance, vibration, shock and other environmental reliable and stable work. Quality optical design and anti-glare design, avoid visual fatigue of the staff. 2. Easily achieve energy-saving targets high light efficiency power LED light source, the optical design, with 99.99% high purity aluminum reflector cup and light transmittance up to 93% of the imported PC transparent parts, lighting efficiency up to 79%, higher than the industry level of 40%. Advanced and reasonable circuit design, with high-quality components, electrical efficiency up to 90%, higher than the industry average of more than 6%. Efficient light source + efficient light distribution + efficient circuit NFE9121 than the industry average more than 50% energy saving. Reduce the maintenance workload for seven consecutive years of uninterrupted work without changing source, life is a fluorescent lamp 10 times. The shell corrosion protection WF2, ensure that lighting does not corrode in harsh environments, no rust. Quality control system in accordance with the military standard, rigorous reliability, aging test, lighting a lower failure rate. NFE912 technical parameters Rated voltage: 85-260VAC/15-36VAC VDC 50Hz Light Source: LED light source power: 4 × 3W shell protection: IP65 corrosion: WF2 Dimensions: 351 × 133 × 55mm total weight: 1kg