... or simply press the remote to make color changing effect. 4, Great for retrofitting into existing track lights or down ... meeting room, show room, showcase 3).School,university,hospital,hotel 4).commericial complexes, 5).Supermarket,department store 6).Factory,plant, ... warehouse,officePackage:Gross weight: 0.1kg Inner box size: 100*100*100MM(4pcs) Carton size: 43CM* ...