... 5. High efficiency & P.F 6. No UV & IR radiation 3*2W Led DownlightFeatures:a) 3pcs high power LED for exceptional ... any doubt about the installation or use of this product, consult a competent electrician.Application: Exhibition stands,show window,museum,liberary ... ,restaurants, hotels, office, house, meeting hall, shop,etc. 3*2W LED Lighting