1.The main body parts are made of aluminum alloy,die-casting 
aluminum housing.The surface is treated by powder-coating,
anti-yellowing,anti-corrosion
2.High efficacy ,high illuminance.Two times optical principle,
accurate beam angle 
3.Anti-glare design with various free replacement accessories,
UGR<15
4.Modular design,quickly assemble and disassemble,
5.Application areas:Supermarket,Hotel,villas,cludes,offices etc